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TI-2023-23448 Aliases CVE-2023-43746GHSA-r7qm-xv29-cxj4

BIG-IP Appliance mode external monitor vulnerability

Priority MEDIUM 40CWE-267Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

When running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, utilizing BIG-IP external monitor on a BIG-IP system.  A successful exploit can allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00533 45th percentileScored 2026-11-07
Fix Fixed BIG-IP (F5): 17.1.0, 16.1.4, 15.1.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP16.1.0 to before 16.1.4; 15.1.0 to before 15.1.9; 14.1.0 and later; 13.1.0 and later17.1.0, 16.1.4, 15.1.9Patch availableCNA
  • BIG-IP VendorF5 Affected 16.1.0 to before 16.1.4; 15.1.0 to before 15.1.9; 14.1.0 and later; 13.1.0 and later Fixed in 17.1.0, 16.1.4, 15.1.9 Patch available CNA

CPE configurations NVD · 18

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4VulnerableF5
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* Versions 13.1.0 – 14.1.5; 15.1.0 to before 15.1.9; 16.1.0 to before 16.1.4 Vulnerable ·F5

Remediation

  • Fix · CNA BIG-IP (F5) Fixed in 17.1.0, 16.1.4, 15.1.9

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    F5 BIG-IP 15.1.9, 16.1.4

    9 records Highest priority Priority MEDIUM 3 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-21708 BIG-IP IPSEC vulnerabilityPriority MEDIUM 40
    • TI-2023-21348 BIG-IP TCP Profile vulnerabilityPriority MEDIUM 40
    • TI-2023-21345 Multi-blade VIPRION Configuration utility session cookie vulnerabilityPriority LOW 38
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-43746
  2. 2026-10-03 Alias added: GHSA-r7qm-xv29-cxj4

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