CVE-2022-1388On 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…
- 9.8CriticalCVSS base score
- 100.0%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 10 May 2022
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
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
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as F5 BIG-IP Missing Authentication Vulnerability.
- Added
- 10 May 2022
- Fix due (US federal)
- 31 May 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 10 May 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- F5 BIG-IP iControl RCE via REST Authentication Bypass (Metasploit module) (opens in a new tab)
exploit/linux/http/f5_icontrol_rceRank excellentdisclosed 4 May 2022
Nuclei templates1 template
- F5 BIG-IP iControl - REST Auth Bypass RCE (Nuclei template) (opens in a new tab)
http/cves/2022/CVE-2022-1388.yamlSeverity critical
Exploit-DB1 entry
- F5 BIG-IP 16.0.x - Remote Code Execution (RCE) (Exploit-DB entry) (opens in a new tab)
EDB-ID 50932remote, multiplepublished 12 May 2022Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By f5
- 16 days later
· 16 days later
Published
- 5 days later
· 5 days later
Added to CISA KEV
Known exploited, also by ransomware
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| f5CNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 100.0% · top 0.1% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
References
References6
- https://support.f5.com/csp/article/K23605346 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/167007/F5-BIG-IP-Remote-Code-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/167118/F5-BIG-IP-16.0.x-Remote-Code-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/167150/F5-BIG-IP-iControl-Remote-Code-Execution.html (opens in a new tab)x_transferred
- https://www.secpod.com/blog/critical-f5-big-ip-remote-code-execution-vulnerability-patch-now/ (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1388 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-24705 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-1388)Record last updated .