CVE-2023-46747
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
- Published
- Updated
- Reserved
- Assigned by
- f5
Description
Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands. 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 Configuration Utility Authentication Bypass Vulnerability.
- Added
- 31 Oct 2023
- Fix due (US federal)
- 21 Nov 2023
- Used by ransomware
- Known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By f5
- 1 day later
· 1 day later
Published
- 5 days later
· 5 days later
Added to CISA KEV
Known exploited, also by ransomware
- 24 months later
· 24 months 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)
- 96.7% · top 0.1% of all CVEs (7 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.
Weakness
Affected products
References (4)
- https://my.f5.com/manage/s/article/K000137353 (opens in a new tab)vendor-advisoryx_transferred
- http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.html (opens in a new tab)x_transferred
- https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/ (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-46747 (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)
- 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://trackcve.app/cve/CVE-2023-46747)Record last updated .