F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability (CVE-2021-22986)
Severity: critical · Patch status: patched · Since 2021-11-03 · CVE-2021-22986
F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services. CISA added CVE-2021-22986 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Nov 17, 2021 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
