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 Interface…
Browse: All 2020 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2021-11-03, remediation due 2022-05-03)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-22
- Published
- 2020-07-01
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- 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
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-03.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- 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/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/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
- 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
FAQ
Is CVE-2020-5902 actively exploited?
Yes. CISA added CVE-2020-5902 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, with a federal remediation deadline of 2022-05-03. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2020-5902?
CVE-2020-5902 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2025-53521 — F5 BIG-IP
- CVE-2022-1388 — F5 BIG-IP
- CVE-2026-94127 — F5 BIG-IP APM
- CVE-2023-46748 — F5 BIG-IP Configuration Utility
- CVE-2023-46747 — F5 BIG-IP Configuration Utility
- CVE-2021-22991 — F5 BIG-IP Traffic Management Microkernel
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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