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TI-2025-34276 Aliases CVE-2025-54479GHSA-c2h5-9wrr-3f73

BIG-IP PEM vulnerability

Priority MEDIUM 44CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

When a classification profile is configured on a virtual server without an HTTP or HTTP/2 profile, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. 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 0.00348 28th percentileScored 2026-11-07
Fix Fixed BIG-IP (F5): 17.5.1, 17.1.3, 16.1.6.1 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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-IP17.5.0 to before 17.5.1; 17.1.0 to before 17.1.3; 16.1.0 to before 16.1.6.1; 15.1.0 to before 15.1.10.817.5.1, 17.1.3, 16.1.6.1, 15.1.10.8Patch availableCNA
F5BIG-IP Next CNF2.0.0 and later; 1.1.0 and later—No fix listedCNA
F5BIG-IP Next for Kubernetes2.0.0 and later—No fix listedCNA
  • BIG-IP VendorF5 Affected 17.5.0 to before 17.5.1; 17.1.0 to before 17.1.3; 16.1.0 to before 16.1.6.1; 15.1.0 to before 15.1.10.8 Fixed in 17.5.1, 17.1.3, 16.1.6.1, 15.1.10.8 Patch available CNA
  • BIG-IP Next CNF VendorF5 Affected 2.0.0 and later; 1.1.0 and later Fixed in — No fix listed CNA
  • BIG-IP Next for Kubernetes VendorF5 Affected 2.0.0 and later Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:*1.1.0 – 1.4.0VulnerableF5
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.1:*:*:*:*:*:*:*2.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.2:*:*:*:*:*:*:*2.0.2VulnerableF5
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.1.0:*:*:*:*:*:*:*2.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.1.0:*:*:*:*:*:*:*2.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*15.1.0 to before 15.1.10.8; 16.1.0 to before 16.1.6.1; 17.1.0 to before 17.1.3VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:17.5.0:*:*:*:*:*:*:*17.5.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:* Versions 1.1.0 – 1.4.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 15.1.0 to before 15.1.10.8; 16.1.0 to before 16.1.6.1; 17.1.0 to before 17.1.3 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:17.5.0:*:*:*:*:*:*:* Versions 17.5.0 Vulnerable ·F5

Remediation

  • Fix · CNA BIG-IP (F5) Fixed in 17.5.1, 17.1.3, 16.1.6.1, 15.1.10.8

Fixed in the same release

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

  • Release ·

    F5 BIG-IP 15.1.10.8, 16.1.6.1 and 2 more versions

    4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2025-35914 BIG-IP IPSec vulnerabilityPriority MEDIUM 44
    • TI-2025-36849 BIG-IP Configuration utility XSS vulnerabilityPriority LOW 38
    • TI-2025-29737 BIG-IP APM and SSL Orchestrator vulnerabilityPriority LOW 31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-54479
  2. 2026-10-03 Alias added: GHSA-c2h5-9wrr-3f73

References

See all 26 →

Sources