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CVE-2020-5902: F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability

CVSS: 10.0v2.0HighKEVRansomwareAnalyzed
Published 01-07-2020Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2020-5902 is a high (CVSS 10.0) Path Traversal vulnerability in F5 BIG-IP. It is known to be exploited: CISA lists it, first on 03-11-2021. It has been used in ransomware campaigns. EPSS estimates a 100.00% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 12 public exploits are recorded.

Overall risk
100/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
100.00%
0%100%
Critical · 0.00 pp in 30 days
KEVListedCISA
RansomwareKnown useFlagged by CISA
Public exploits12github, reference, metasploit, exploit-database

Timeline

  1. 01-07-2020
    PublishedVulnerability first disclosed.
  2. 03-11-2021
    Added to CISA KEVF5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability
  3. 03-05-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

100.00%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 100.00% on 21-09-2026

21-09-202621-10-2026
EPSS score
100.00%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
03-11-2021
Federal due date
03-05-2022
Ransomware

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2020-5902

Public exploits

12 found
  • githubUnverified

    Team Ares

    Maturity: poc

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Show all 12 exploits
  • referenceUnverified

    Exploit Reference (criticalstart.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (badpackets.net)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (swarm.ptsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • MetasploitMetasploitremoteUnverified

    F5 BIG-IP TMUI Directory Traversal and File Upload RCE

    exploit/linux/http/f5_bigip_tmui_rce_cve_2020_5902

    Maturity: poc

  • exploit-databasehardwareUnverified

    F5 Big-IP 13.1.3 Build 0.0.6 - Local File Inclusion

    Maturity: poc

  • exploit-databaselinuxUnverified

    BIG-IP 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 / 11.6.1 < 11.6.5.1 - Traffic Management User Interface 'TMUI' Remote Code Execution

    Maturity: poc

  • exploit-databaselinuxUnverified

    BIG-IP 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 / 11.6.1 < 11.6.5.1 - Traffic Management User Interface 'TMUI' Remote Code Execution (PoC)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

F514 products
  • big-ip_access_policy_manager≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.6 | ≥ 15.0.0, ≤ 15.0.1.4 | ≥ 15.1.0, < 15.1.0.4
  • big-ip_advanced_firewall_manager≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.6 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.4
  • big-ip_advanced_web_application_firewall≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.6 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.4
  • big-ip_analytics≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.6 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.4
  • big-ip_application_acceleration_manager≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.6 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.4

1 vendor · 14 products

References

13 links
Show all 13 references