CVE-2022-1388
F5 BIG-IP Missing Authentication Vulnerability
F5 BIG-IPNetwork & edge
CVSS
9.8CriticalExploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
- 4 May 2022Exploit code publicMetasploit
- 5 May 2022, 16:18 UTCPublishedCVE List
- 10 May 2022Added to CISA KEVCISA KEV
Public exploit code and templates 3
- Exploit moduleF5 BIG-IP iControl RCE via REST Authentication Bypass 4 May 2022Metasploit
- Remote exploitF5 BIG-IP 16.0.x - Remote Code Execution (RCE) 12 May 2022Exploit-DB
- Scanner templateF5 BIG-IP iControl - REST Auth Bypass RCENuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
F5 BIG-IP contains a missing authentication in critical function vulnerability which can allow for remote code execution, creation or deletion of files, or disabling services.
Text from CVE List
Affected versions 7
- BIG-IPunaffected: 17.0.0 before 17.0.x*CVE List
- BIG-IPaffected: 16.1.x before 16.1.2.2CVE List
- BIG-IPaffected: 15.1.x before 15.1.5.1CVE List
- BIG-IPaffected: 14.1.x before 14.1.4.6CVE List
- BIG-IPaffected: 13.1.x before 13.1.5CVE List
- BIG-IPaffected: 12.1.x through 12.1.6CVE List
- BIG-IPaffected: 11.6.x through 11.6.5CVE List
References 4
- nvd.nist.gov/vuln/detail/CVE-2022-1388Referencevia CISA KEV
- support.f5.com/csp/article/K23605346Referencevia CVE List
- secpod.com/blog/critical-f5-big-ip-remote-code-execution-vulnerability-patch-now/Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1388Referencevia CVE List