CVE-2020-5902In 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…
- 9.8CriticalCVSS base score
- 100.0%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 3 Nov 2021
- 5Public exploitsMetasploit, Nuclei and Exploit-DB
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Nov 2021.
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 3 Exploit-DB entries for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits5
Metasploit modules1 module
- F5 BIG-IP TMUI Directory Traversal and File Upload RCE (Metasploit module) (opens in a new tab)
exploit/linux/http/f5_bigip_tmui_rce_cve_2020_5902Rank averagedisclosed 30 Jun 2020
Nuclei templates1 template
- F5 BIG-IP TMUI - Remote Code Execution (Nuclei template) (opens in a new tab)
http/cves/2020/CVE-2020-5902.yamlSeverity critical
Exploit-DB3 entries
- F5 Big-IP 13.1.3 Build 0.0.6 - Local File Inclusion (Exploit-DB entry) (opens in a new tab)
EDB-ID 48711webapps, hardwarepublished 26 Jul 2020Not verified
- BIG-IP 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 - Traffic Management User Interface 'TMUI' Remote Code Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 48642webapps, linuxpublished 6 Jul 2020Not verified
- BIG-IP 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 - Traffic Management User Interface 'TMUI' Remote Code Execution (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 48643webapps, linuxpublished 5 Jul 2020Not 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
- 6 months later
· 6 months later
Published
- 16 months later
· 16 months later
Added to CISA KEV
Known exploited, also by ransomware
- 4 years later
· 4 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 |
|---|---|---|---|
| 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 (12 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
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
References13
- 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)
- EUVD EUVD-2020-27056 (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-2020-5902)Record last updated .