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CVE-2020-5902
In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management User…
Critical9.8Known exploitedEPSS 100.0%
- Published
- Updated
- Reserved
- Assigned by
- f5
Description
In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management User Interface (TMUI), also referred to as the Configuration utility, has a Remote Code Execution (RCE) vulnerability in undisclosed pages.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 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 (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
BIG-IP
- affected 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, 11.6.1-11.6.5.1
References (13)
- https://support.f5.com/csp/article/K52145254 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html (opens in a new tab)x_transferred
- VU#290915 (opens in a new tab)third-party-advisoryx_transferred
- https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/ (opens in a new tab)x_transferred
- https://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/ (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.html (opens in a new tab)x_transferred
- https://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.html (opens in a new tab)x_transferred
- https://swarm.ptsecurity.com/rce-in-f5-big-ip/ (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5902 (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-2020-5902)Record last updated .