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TI-2021-05874 Aliases CVE-2021-23015GHSA-6x77-892j-xm83

Incorrect authorization in BIG-IP

Priority LOW 34CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x, when running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Why it matters now

EPSS 0.01343 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—BIG-IP15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x.—No fix listedCNA
  • BIG-IP Vendor— Affected 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x. Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 – 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 – 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.4; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.3; 16.0.0 to before 16.0.1.1 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23015
  2. 2026-10-03 Alias added: GHSA-6x77-892j-xm83

References

Advisory 1

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
See all 629 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences