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CVE-2025-53521

BigIP APM Vulnerability

Published
Last modified
published
Listed in CISA KEV
Fix
Fixed in 17.5.1.3, 17.1.3, 16.1.6.1, 15.1.10.8
None on Exploit-DB, Metasploit or GitHub

Summary

This vulnerability affects F5 BIG-IP systems that have an APM (Access Policy Manager) access policy configured on a virtual server. Specially crafted malicious network traffic sent to such a configuration can allow an attacker to execute arbitrary code remotely on the affected device.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated

Affected versions

  • F5 BIG-IP

    From 17.5.0 · fixed in 17.5.1.3; From 17.1.0 · fixed in 17.1.3; From 16.1.0 · fixed in 16.1.6.1; From 15.1.0 · fixed in 15.1.10.8

References 1

my.f5.com