CVE-2020-5902

critical

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.

From the Tenable Blog

CVE-2020-5902: Critical Vulnerability in F5 BIG-IP Traffic Management User Interface (TMUI) Actively Exploited

CVE-2020-5902: Critical Vulnerability in F5 BIG-IP Traffic Management User Interface (TMUI) Actively Exploited

Published: 2020-07-06

Three days after an advisory was disclosed for a critical remote code execution vulnerability in F5’s BIG-IP, active attempts to exploit vulnerable hosts have been observed in the wild. Update July 8, 2020: F5 has provided updated mitigation details after reports that researchers had discovered a way to bypass some of the mitigations. The Solutions section of our blog has been updated accordingly.

References

https://www.kb.cert.org/vuls/id/290915

http://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.html

http://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.html

https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-215a

https://www.tenable.com/cyber-exposure/tenable-2022-threat-landscape-report

https://www.tenable.com/cyber-exposure/a-look-inside-the-ransomware-ecosystem

https://web.archive.org/web/20211025233339/https://twitter.com/pancak3lullz/status/1452679527197560837

https://www.cisa.gov/news-events/cybersecurity-advisories/aa21-209a

https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF

https://www.cisa.gov/news-events/cybersecurity-advisories/aa20-259a

https://www.tenable.com/blog/cve-2024-21793-cve-2024-26026-proof-of-concept-available-for-f5-big-ip-next-central-manager

https://www.tenable.com/blog/aa23-215a-2022s-top-routinely-exploited-vulnerabilities

https://www.tenable.com/blog/cisa-top-20-cves-exploited-peoples-republic-of-china-state-sponsored-actors-aa22-279a

https://www.tenable.com/blog/cve-2022-1388-authentication-bypass-in-f5-big-ip

https://www.tenable.com/blog/government-advisories-warn-of-apt-activity-resulting-from-russian-invasion-of-ukraine

https://www.tenable.com/blog/one-year-later-what-can-we-learn-from-zerologon

https://www.tenable.com/blog/cve-2021-21972-vmware-vcenter-server-remote-code-execution-vulnerability

https://www.tenable.com/blog/government-agencies-warn-of-state-sponsored-actors-exploiting-publicly-known-vulnerabilities

https://www.tenable.com/blog/us-cybersecurity-agency-cisa-alert-foreign-threat-actors-target-unpatched-vulnerabilities

https://www.tenable.com/blog/cve-2020-5902-critical-vulnerability-in-f5-big-ip-traffic-management-user-interface-tmui

https://www.tenable.com/blog/cve-2020-3452-cisco-adaptive-security-appliance-and-firepower-threat-defense-path-traversal

https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/

https://swarm.ptsecurity.com/rce-in-f5-big-ip/

https://support.f5.com/csp/article/K52145254

https://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902

https://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/

http://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html

http://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.html

http://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html

http://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.html

Details

Source: Mitre, NVD

Published: 2020-07-01

Updated: 2025-04-02

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.94442