Auth bypass in F5 Big-ip
CVE-2022-1388
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 authen…
Vulnerability class: Broken Authentication
EPSS: 0.945 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- F5 Big-ip — versions 17.0.0, 16.1.x, 15.1.x
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
- horizon3ai/CVE-2022-1388
- doocop/CVE-2022-1388-EXP
- alt3kx/CVE-2022-1388_PoC
- 0xf4n9x/CVE-2022-1388
- ZephrFish/F5-CVE-2022-1388-Exploit
- sherlocksecurity/CVE-2022-1388-Exploit-POC
- numanturle/CVE-2022-1388
- Al1ex/CVE-2022-1388
- MrCl0wnLab/Nuclei-Template-CVE-2022-1388-BIG-IP-iControl-REST-Exposed
- jheeree/CVE-2022-1388-checker
References
- support.f5.com/csp/article/K23605346
- packetstormsecurity.com/files/167007/F5-BIG-IP-Remote-Code-Execution.html
- packetstormsecurity.com/files/167118/F5-BIG-IP-16.0.x-Remote-Code-Execution.html
- packetstormsecurity.com/files/167150/F5-BIG-IP-iControl-Remote-Code-Execution.h…
- www.secpod.com/blog/critical-f5-big-ip-remote-code-execution-vulnerability-patc…
Frequently asked questions
- What is CVE-2022-1388?
- CVE-2022-1388 is a critical-severity vulnerability in F5 Big-ip, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2022-05-05.
- How severe is CVE-2022-1388?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-1388 known to be exploited?
- Yes. CVE-2022-1388 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-10), indicating it is being actively exploited. 220 public proof-of-concept repositories are indexed.