Description
When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| F5 | BIG-IP | >= 17.5.0, < 17.5.1.3; >= 17.1.0, < 17.1.3; >= 16.1.0, < 16.1.6.1; >= 15.1.0, < 15.1.10.8 |
References
- https://my.f5.com/manage/s/article/K000156741Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53521US Government Resource
Timeline
- Published
- Oct 15, 2025
- Last modified
- Oct 8, 2026
- Added to CISA KEV
- Mar 27, 2026
- NVD status
- Analyzed