Vulnerability Intelligence

CVE-2020-5902

Critical 9.8 Exploited in the wild (KEV) Used in ransomware campaigns

Published
Last modified
NVD status
Analyzed

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.

CISA KEV
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

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