Vulnerability record

CVE-2022-1388

F5 BIG-IP Missing Authentication Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run BIG-IP, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by May 31, 2022.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

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

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorSource
BIG-IPF5KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2022-1388 scored CVSS 9.8: F5 BIG-IP, F5 BIG-IP Missing Authentication Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched BIG-IP systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2022-1388
  • packetstormsecurity.com http://packetstormsecurity.com/files/167007/F5-BIG-IP-Remote-Code-Execution.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/167118/F5-BIG-IP-16.0.x-Remote-Code-Execution.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/167150/F5-BIG-IP-iControl-Remote-Code-Execution.html
  • support.f5.com https://support.f5.com/csp/article/K23605346
  • secpod.com https://www.secpod.com/blog/critical-f5-big-ip-remote-code-execution-vulnerability-patch-now/
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1388