Actively exploited · Published May 5, 2022 · Assigned by f5
CVE-2022-1388
Critical 9.8 Exploited Ransomware
In plain English
A critical-severity missing authentication in BIG-IP from F5. Attackers are actively exploiting it in the wild (listed by CISA on May 10, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 100.0% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 31, 2022.
Official description
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, 13.1.x versions prior to 13.1.5, and all 12.1.x and 11.6.x versions, undisclosed requests may bypass iControl REST authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://support.f5.com/csp/article/K23605346
- http://packetstormsecurity.com/files/167007/F5-BIG-IP-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/167118/F5-BIG-IP-16.0.x-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/167150/F5-BIG-IP-iControl-Remote-Code-Execution.html
- https://www.secpod.com/blog/critical-f5-big-ip-remote-code-execution-vulnerability-patch-now/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1388 government-resource