CVE-2020-5902

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

100.00% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 100.0% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-07-01 00:00Z6 YR AGO

Last updated

2025-10-21 23:35Z10 MO AGO

Reserved

2020-01-06

Assigning CNA

f5

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

c564758a39f193f267f4b3ef3e038f37c45b3fbf23abe90dff3cc2470a1b463c

• support.f5.comhttps://support.f5.com/csp/article/K52145254
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158333/BIG-IP-TMUI-Remote-Code-Execution.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158334/BIG-IP-TMUI-Remote-Code-Execution.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158366/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html
• www.kb.cert.orgVU#290915https://www.kb.cert.org/vuls/id/290915third-party-advisory
• www.criticalstart.comhttps://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/
• badpackets.nethttps://badpackets.net/over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902/
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158414/Checker-CVE-2020-5902.html
• github.comhttps://github.com/Critical-Start/Team-Ares/tree/master/CVE-2020-5902
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158581/F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.html
• swarm.ptsecurity.comhttps://swarm.ptsecurity.com/rce-in-f5-big-ip/
• packetstormsecurity.comhttp://packetstormsecurity.com/files/175671/F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execution.html
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5902government-resource