CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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; f5: big-ip policy enforcement manager; f5: ssl orchestrator
References10
- support.f5.com/csp/article/K52145254 Vendor Advisory
- support.f5.com/csp/article/K52145254 Vendor Advisory
- packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Ex… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-T… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-T… ExploitThird Party AdvisoryVDB Entry
- badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-… ExploitThird Party Advisory
- github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902 Broken LinkExploitThird Party Advisory
- swarm.ptsecurity.com/rce-in-f5-big-ip/ ExploitThird Party Advisory
- www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/ ExploitThird Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 100% percentile: 100 · as of 2 November 2026
- CWE
- CWE-22