# CVE-2020-5902: F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability

> CVE-2020-5902: F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-5902
Last updated: 2025-10-21T23:35:41Z

- Published: 2020-07-01 00:00 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: f5
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 100.0%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Known

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- n/a: BIG-IP

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-5902)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-5902)
- [http://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.html](http://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.html)
- [http://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.html](http://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.html)
- [http://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html](http://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html)
- [http://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.html](http://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.html)
- [http://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.html](http://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.html)
- [http://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html](http://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html)
- [https://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/](https://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/)
- [https://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902](https://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902)
- [https://support.f5.com/csp/article/K52145254](https://support.f5.com/csp/article/K52145254)
- [https://swarm.ptsecurity.com/rce-in-f5-big-ip/](https://swarm.ptsecurity.com/rce-in-f5-big-ip/)
- [https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/](https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/)
- [https://www.kb.cert.org/vuls/id/290915](https://www.kb.cert.org/vuls/id/290915)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-5902 · Markdown: https://rewindex.com/cve/CVE-2020-5902.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-5902 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:47:37.676Z