CVE-2020-5902
F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 100.00% probability · 100th percentile
- Public exploits
- 3 in Exploit-DB · first 5 July 2020
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
- Weakness
- CWE-22
- Affected
- f5/big-ip access policy manager · f5/big-ip advanced firewall manager · f5/big-ip advanced web application firewall · f5/big-ip analytics · f5/big-ip application acceleration manager · f5/big-ip application security manager · f5/big-ip ddos hybrid defender · f5/big-ip domain name system · f5/big-ip fraud protection service · f5/big-ip global traffic manager · f5/big-ip link controller · f5/big-ip local traffic manager · f5/big-ip policy enforcement manager · f5/ssl orchestrator
- Source
- f5sirt@f5.com
EPSS 100.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-5902
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-48711source ↗ | F5 Big-IP 13.1.3 Build 0.0.6 - Local File Inclusionhardware · Carlos E. Vieira | webapps | 26 July 2020 | no |
| EDB-48642source ↗ | 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 Executionlinux · Critical Start | webapps | 6 July 2020 | no |
| EDB-48643source ↗ | 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)linux · Budi Khoirudin | webapps | 5 July 2020 | no |
References
- http://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/Exploit, Third Party Advisory
- https://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902Broken Link, Exploit, Third Party Advisory
- https://support.f5.com/csp/article/K52145254Vendor Advisory
- https://swarm.ptsecurity.com/rce-in-f5-big-ip/Exploit, Third Party Advisory
- https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/Exploit, Third Party Advisory
- https://www.kb.cert.org/vuls/id/290915Third Party Advisory, US Government Resource
- http://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/Exploit, Third Party Advisory
- https://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902Broken Link, Exploit, Third Party Advisory
- https://support.f5.com/csp/article/K52145254Vendor Advisory
- https://swarm.ptsecurity.com/rce-in-f5-big-ip/Exploit, Third Party Advisory
- https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/Exploit, Third Party Advisory
- https://www.kb.cert.org/vuls/id/290915Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5902US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.