CVE Database · CVE-2025-53521
CVSS v3.1
9.8
CVSS v4.0
9.3
EPSS
2.25%
Published
Oct 15, 2025
Modified
Apr 2, 2026
CISA Known Exploited Vulnerability
Added: 2026-03-27 · Due: 2026-03-30
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (4)
References (2)