CVE-2025-41431
CVE-2025-41431 is a high-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-13935
- Weakness: CWE-787
- Affected product: F5 Big-ip Access Policy Manager
- Published:
- Last modified:
Description
When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Frequently asked questions
- What is CVE-2025-41431?
- When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- How severe is CVE-2025-41431?
- CVE-2025-41431 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-41431 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-41431?
- CVE-2025-41431 primarily affects F5 Big-ip Access Policy Manager. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-41431?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-41431 have an EU (EUVD) identifier?
- Yes. CVE-2025-41431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13935.
- When was CVE-2025-41431 published?
- CVE-2025-41431 was published on 2025-05-07 and last updated on 2026-06-17.
References
Affected products (11)
- cpe:2.3:a:f5:big-ip_access_policy_manager:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_analytics:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_application_security_manager:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_domain_name_system:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_fraud_protection_service:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_global_traffic_manager:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_link_controller:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_local_traffic_manager:17.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:17.1.2:*:*:*:*:*:*:*
More vulnerabilities in F5 Big-ip Access Policy Manager
- CVE-2023-41373 — Critical (CVSS 9.9): A directory traversal vulnerability exists in the BIG-IP Configuration Utility that may allow an authenticated attacker…
- CVE-2021-22987 — Critical (CVSS 9.9): On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x…
- CVE-2025-53521 — Critical (CVSS 9.8): When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code…
- CVE-2023-46747 — Critical (CVSS 9.8): Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the…
- CVE-2022-1388 — Critical (CVSS 9.8): On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6,…
- CVE-2021-23008 — Critical (CVSS 9.8): On version 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and all versions of…
All CVEs affecting F5 Big-ip Access Policy Manager →
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