Kingdom: Environment

This section includes everything that is outside of the source code but is still critical to the security of the product that is being created. Because the issues covered by this kingdom are not directly related to source code, we separated it from the rest of the kingdoms.

685 items found
Weaknesses
Abstract
An Azure service does not use customer-managed keys.
Explanation
Mismanaged encryption keys are the cause of various security breaches. Organizations should not rely on platform-managed keys for critical data resources.
References
[1] Microsoft Key management in Azure
[2] Standards Mapping - CIS Microsoft Azure Foundations Benchmark Recommendation 3.12
[3] Standards Mapping - Common Weakness Enumeration CWE ID 311
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001350, CCI-002475
[5] Standards Mapping - FIPS200 MP
[6] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AU-9 Protection of Audit Information (P1), SC-28 Protection of Information at Rest (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AU-9 Protection of Audit Information, SC-28 Protection of Information at Rest
[9] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[10] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 6.2.1 Algorithms (L1 L2 L3), 8.1.6 General Data Protection (L3)
[11] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[12] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.3
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 3.5.1
[15] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 3.3.2, Requirement 3.3.3, Requirement 3.5.1, Requirement 6.2.4
[16] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.1 - Use of Cryptography
[17] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.1 - Use of Cryptography
[18] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography
[19] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[20] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[21] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[22] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[23] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
desc.structural.iac.azure_bad_practices_missing_customer_managed_key.base
Abstract
An Azure service does not use customer-managed keys.
Explanation
Mismanaged encryption keys are the cause of various security breaches. Organizations should not rely on platform-managed keys for critical data resources.
References
[1] Microsoft Key management in Azure
[2] Standards Mapping - CIS Microsoft Azure Foundations Benchmark Recommendation 3.12
[3] Standards Mapping - Common Weakness Enumeration CWE ID 311
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001350, CCI-002475
[5] Standards Mapping - FIPS200 MP
[6] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AU-9 Protection of Audit Information (P1), SC-28 Protection of Information at Rest (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AU-9 Protection of Audit Information, SC-28 Protection of Information at Rest
[9] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[10] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 6.2.1 Algorithms (L1 L2 L3), 8.1.6 General Data Protection (L3)
[11] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[12] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.3
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 3.5.1
[15] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 3.3.2, Requirement 3.3.3, Requirement 3.5.1, Requirement 6.2.4
[16] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.1 - Use of Cryptography
[17] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.1 - Use of Cryptography
[18] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography
[19] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[20] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[21] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[22] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
[23] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-001350 CAT II, APSC-DV-002340 CAT II
desc.structural.iac.azure_bad_practices_missing_customer_managed_key.base
Abstract
A configuration does not apply proper access controls.
Explanation
Uncontrolled access to critical or sensitive resources can significantly impact an organization in various ways, including disclosure of or tampering with critical data.
References
[1] Open Web Application Security Project (OWASP) Authorization Cheat Sheet
[2] Standards Mapping - CIS Azure Kubernetes Service Benchmark Recommendation 5.5.2
[3] Standards Mapping - Common Weakness Enumeration CWE ID 284
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[8] Standards Mapping - FIPS200 AC
[9] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[14] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[15] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[16] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[18] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[19] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[32] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[33] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[34] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.misconfiguration_improper_access_control.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - CIS Azure Kubernetes Service Benchmark Recommendation 4.4.2
[4] Standards Mapping - Common Weakness Enumeration CWE ID 749
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[31] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[32] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[33] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[34] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration does not apply proper access controls.
Explanation
Uncontrolled access to critical or sensitive resources can significantly impact an organization in various ways, including disclosure of or tampering with critical data.
References
[1] Open Web Application Security Project (OWASP) Authorization Cheat Sheet
[2] Standards Mapping - Common Weakness Enumeration CWE ID 284
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - FIPS200 AC
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.misconfiguration_improper_access_control.base
Abstract
A configuration sets an overly permissive CORS policy.
Explanation
Cross-Origin Resource Sharing (CORS) is a technology that allows a domain to define a policy for its resources to be accessed by a web page hosted on a different domain. Historically, web browsers have restricted their domain resources from being accessed by scripts loaded from a different domain to abide by the same origin policy.
CORS provides a method for a domain to safelist other domains and allow them to access its resources.

Be careful when defining a CORS policy because an overly permissive policy configured at the server level for a domain or a directory on a domain can expose more content for cross-domain access than intended. CORS can enable a malicious application to communicate with a victim application inappropriately, leading to information disclosure, spoofing, data theft, relay, or other attacks.

Implementing CORS can increase an application's attack surface and should only be used when necessary.
References
[1] W3C Cross-Origin Resource Sharing
[2] Michael Schmidt HTML5 Web Security
[3] Philippe De Ryck, Lieven Desmet, Pieter Philippaerts, and Frank Piessens A Security Analysis of Next Generation Web Standards
[4] James Kettle Exploiting CORS misconfigurations for Bitcoins and bounties
[5] Standards Mapping - Common Weakness Enumeration CWE ID 942
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [18] CWE ID 863
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001368, CCI-001414
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.4.6 HTTP Security Headers Requirements (L1 L2 L3), 14.5.3 Validate HTTP Request Header Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[43] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
desc.structural.iac.misconfiguration_improper_cors_policy.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration does not apply proper access controls.
Explanation
Uncontrolled access to critical or sensitive resources can significantly impact an organization in various ways, including disclosure of or tampering with critical data.
References
[1] Open Web Application Security Project (OWASP) Authorization Cheat Sheet
[2] Standards Mapping - Common Weakness Enumeration CWE ID 284
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - FIPS200 AC
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.misconfiguration_improper_access_control.base
Abstract
A configuration sets an overly permissive CORS policy.
Explanation
Cross-Origin Resource Sharing (CORS) is a technology that allows a domain to define a policy for its resources to be accessed by a web page hosted on a different domain. Historically, web browsers have restricted their domain resources from being accessed by scripts loaded from a different domain to abide by the same origin policy.
CORS provides a method for a domain to safelist other domains and allow them to access its resources.

Be careful when defining a CORS policy because an overly permissive policy configured at the server level for a domain or a directory on a domain can expose more content for cross-domain access than intended. CORS can enable a malicious application to communicate with a victim application inappropriately, leading to information disclosure, spoofing, data theft, relay, or other attacks.

Implementing CORS can increase an application's attack surface and should only be used when necessary.
References
[1] W3C Cross-Origin Resource Sharing
[2] Michael Schmidt HTML5 Web Security
[3] Philippe De Ryck, Lieven Desmet, Pieter Philippaerts, and Frank Piessens A Security Analysis of Next Generation Web Standards
[4] James Kettle Exploiting CORS misconfigurations for Bitcoins and bounties
[5] Standards Mapping - Common Weakness Enumeration CWE ID 942
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [18] CWE ID 863
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001368, CCI-001414
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.4.6 HTTP Security Headers Requirements (L1 L2 L3), 14.5.3 Validate HTTP Request Header Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[43] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
desc.structural.iac.misconfiguration_improper_cors_policy.base
Abstract
A configuration does not apply proper access controls.
Explanation
Uncontrolled access to critical or sensitive resources can significantly impact an organization in various ways, including disclosure of or tampering with critical data.
References
[1] Open Web Application Security Project (OWASP) Authorization Cheat Sheet
[2] Standards Mapping - Common Weakness Enumeration CWE ID 284
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - FIPS200 AC
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.misconfiguration_improper_access_control.base
Abstract
A configuration sets an overly permissive CORS policy.
Explanation
Cross-Origin Resource Sharing (CORS) is a technology that allows a domain to define a policy for its resources to be accessed by a web page hosted on a different domain. Historically, web browsers have restricted their domain resources from being accessed by scripts loaded from a different domain to abide by the same origin policy.
CORS provides a method for a domain to safelist other domains and allow them to access its resources.

Be careful when defining a CORS policy because an overly permissive policy configured at the server level for a domain or a directory on a domain can expose more content for cross-domain access than intended. CORS can enable a malicious application to communicate with a victim application inappropriately, leading to information disclosure, spoofing, data theft, relay, or other attacks.

Implementing CORS can increase an application's attack surface and should only be used when necessary.
References
[1] W3C Cross-Origin Resource Sharing
[2] Michael Schmidt HTML5 Web Security
[3] Philippe De Ryck, Lieven Desmet, Pieter Philippaerts, and Frank Piessens A Security Analysis of Next Generation Web Standards
[4] James Kettle Exploiting CORS misconfigurations for Bitcoins and bounties
[5] Standards Mapping - Common Weakness Enumeration CWE ID 942
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [18] CWE ID 863
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001368, CCI-001414
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.4.6 HTTP Security Headers Requirements (L1 L2 L3), 14.5.3 Validate HTTP Request Header Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[43] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
desc.structural.iac.misconfiguration_improper_cors_policy.base
Abstract
A configuration sets an overly permissive CORS policy.
Explanation
Cross-Origin Resource Sharing (CORS) is a technology that allows a domain to define a policy for its resources to be accessed by a web page hosted on a different domain. Historically, web browsers have restricted their domain resources from being accessed by scripts loaded from a different domain to abide by the same origin policy.
CORS provides a method for a domain to safelist other domains and allow them to access its resources.

Be careful when defining a CORS policy because an overly permissive policy configured at the server level for a domain or a directory on a domain can expose more content for cross-domain access than intended. CORS can enable a malicious application to communicate with a victim application inappropriately, leading to information disclosure, spoofing, data theft, relay, or other attacks.

Implementing CORS can increase an application's attack surface and should only be used when necessary.
References
[1] W3C Cross-Origin Resource Sharing
[2] Michael Schmidt HTML5 Web Security
[3] Philippe De Ryck, Lieven Desmet, Pieter Philippaerts, and Frank Piessens A Security Analysis of Next Generation Web Standards
[4] James Kettle Exploiting CORS misconfigurations for Bitcoins and bounties
[5] Standards Mapping - Common Weakness Enumeration CWE ID 942
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [18] CWE ID 863
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001368, CCI-001414
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.4.6 HTTP Security Headers Requirements (L1 L2 L3), 14.5.3 Validate HTTP Request Header Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[43] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
desc.structural.iac.misconfiguration_improper_cors_policy.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration sets an overly permissive CORS policy.
Explanation
Cross-Origin Resource Sharing (CORS) is a technology that allows a domain to define a policy for its resources to be accessed by a web page hosted on a different domain. Historically, web browsers have restricted their domain resources from being accessed by scripts loaded from a different domain to abide by the same origin policy.
CORS provides a method for a domain to safelist other domains and allow them to access its resources.

Be careful when defining a CORS policy because an overly permissive policy configured at the server level for a domain or a directory on a domain can expose more content for cross-domain access than intended. CORS can enable a malicious application to communicate with a victim application inappropriately, leading to information disclosure, spoofing, data theft, relay, or other attacks.

Implementing CORS can increase an application's attack surface and should only be used when necessary.
References
[1] W3C Cross-Origin Resource Sharing
[2] Michael Schmidt HTML5 Web Security
[3] Philippe De Ryck, Lieven Desmet, Pieter Philippaerts, and Frank Piessens A Security Analysis of Next Generation Web Standards
[4] James Kettle Exploiting CORS misconfigurations for Bitcoins and bounties
[5] Standards Mapping - Common Weakness Enumeration CWE ID 942
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [18] CWE ID 863
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001368, CCI-001414
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.4.6 HTTP Security Headers Requirements (L1 L2 L3), 14.5.3 Validate HTTP Request Header Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II
[43] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
desc.structural.iac.misconfiguration_improper_cors_policy.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base
Abstract
A configuration defines a network rule with overly broad access permissions.
Explanation
Loose access configurations can expose systems and broaden an organization's attack surface. Services open to interaction with the public are typically subjected to near-continuous scanning and probing by malicious entities.

This is especially problematic when a zero-day exploit for an exposed service is discovered and published, such as Heartbleed. Attackers can actively pursue and search for unpatched and exposed systems to exploit.
References
[1] Microsoft Configure Azure Storage firewalls and virtual networks
[2] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis
[3] Standards Mapping - Common Weakness Enumeration CWE ID 749
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.iac.azure.misconfiguration_improper_network_access_control.base