CVE-2020-5902

Home/CVE/F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability

CVE

F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability

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.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.94426 Ransomware: known

Act now

Listed on CISA KEV (known exploited in the wild)
Linked to known ransomware campaigns
SSVC exploitation status: active
EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 0% of all CVEs by exploitation likelihood
Public exploit or PoC is available
SSVC automatable: yes - attacks can be scripted at scale
CVSS base score ≥ 7.0

Sigma rules10 YARA rules1

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Required Remediation

Apply updates per vendor instructions.

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Threat Actors Linked

actorPioneer Kitten

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Weakness Classification

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

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Affected Products & Versions

f5 big-ip access policy manager>= 11.6.1 and < 11.6.5.2
f5 big-ip access policy manager>= 12.1.0 and < 12.1.5.2
f5 big-ip access policy manager>= 13.1.0 and < 13.1.3.4
f5 big-ip access policy manager>= 14.1.0 and < 14.1.2.6
f5 big-ip access policy manager>= 15.0.0 and <= 15.0.1.4
f5 big-ip access policy manager>= 15.1.0 and < 15.1.0.4
f5 big-ip advanced firewall manager>= 11.6.1 and < 11.6.5.2
f5 big-ip advanced firewall manager>= 12.1.0 and < 12.1.5.2
Show all 60 affected productsf5 big-ip advanced firewall manager>= 13.1.0 and < 13.1.3.4
f5 big-ip advanced firewall manager>= 14.1.0 and < 14.1.2.6
f5 big-ip advanced firewall manager>= 15.0.0 and < 15.0.1.4
f5 big-ip advanced firewall manager>= 15.1.0 and < 15.1.0.4
f5 big-ip advanced web application firewall>= 11.6.1 and < 11.6.5.2
f5 big-ip advanced web application firewall>= 12.1.0 and < 12.1.5.2
f5 big-ip advanced web application firewall>= 13.1.0 and < 13.1.3.4
f5 big-ip advanced web application firewall>= 14.1.0 and < 14.1.2.6
f5 big-ip advanced web application firewall>= 15.0.0 and < 15.0.1.4
f5 big-ip advanced web application firewall>= 15.1.0 and < 15.1.0.4
f5 big-ip analytics>= 11.6.1 and < 11.6.5.2
f5 big-ip analytics>= 12.1.0 and < 12.1.5.2
f5 big-ip analytics>= 13.1.0 and < 13.1.3.4
f5 big-ip analytics>= 14.1.0 and < 14.1.2.6
f5 big-ip analytics>= 15.0.0 and < 15.0.1.4
f5 big-ip analytics>= 15.1.0 and < 15.1.0.4
f5 big-ip application acceleration manager>= 11.6.1 and < 11.6.5.2
f5 big-ip application acceleration manager>= 12.1.0 and < 12.1.5.2
f5 big-ip application acceleration manager>= 13.1.0 and < 13.1.3.4
f5 big-ip application acceleration manager>= 14.1.0 and < 14.1.2.6
f5 big-ip application acceleration manager>= 15.0.0 and < 15.0.1.4
f5 big-ip application acceleration manager>= 15.1.0 and < 15.1.0.4
f5 big-ip application security manager>= 11.6.1 and < 11.6.5.2
f5 big-ip application security manager>= 12.1.0 and < 12.1.5.2
f5 big-ip application security manager>= 13.1.0 and < 13.1.3.4
f5 big-ip application security manager>= 14.1.0 and < 14.1.2.6
f5 big-ip application security manager>= 15.0.0 and < 15.0.1.4
f5 big-ip application security manager>= 15.1.0 and < 15.1.0.4
f5 big-ip ddos hybrid defender>= 11.6.1 and < 11.6.5.2
f5 big-ip ddos hybrid defender>= 12.1.0 and < 12.1.5.2
f5 big-ip ddos hybrid defender>= 13.1.0 and < 13.1.3.4
f5 big-ip ddos hybrid defender>= 14.1.0 and < 14.1.2.6
f5 big-ip ddos hybrid defender>= 15.0.0 and < 15.0.1.4
f5 big-ip ddos hybrid defender>= 15.1.0 and < 15.1.0.4
f5 big-ip domain name system>= 11.6.1 and < 11.6.5.2
f5 big-ip domain name system>= 12.1.0 and < 12.1.5.2
f5 big-ip domain name system>= 13.1.0 and < 13.1.3.4
f5 big-ip domain name system>= 14.1.0 and < 14.1.2.6
f5 big-ip domain name system>= 15.0.0 and < 15.0.1.4
f5 big-ip domain name system>= 15.1.0 and < 15.1.0.4
f5 big-ip fraud protection service>= 11.6.1 and < 11.6.5.2
f5 big-ip fraud protection service>= 12.1.0 and < 12.1.5.2
f5 big-ip fraud protection service>= 13.1.0 and < 13.1.3.4
f5 big-ip fraud protection service>= 14.1.0 and < 14.1.2.6
f5 big-ip fraud protection service>= 15.0.0 and < 15.0.1.4
f5 big-ip fraud protection service>= 15.1.0 and < 15.1.0.4
f5 big-ip global traffic manager>= 11.6.1 and < 11.6.5.2
f5 big-ip global traffic manager>= 12.1.0 and < 12.1.5.2
f5 big-ip global traffic manager>= 13.1.0 and < 13.1.3.4
f5 big-ip global traffic manager>= 14.1.0 and < 14.1.2.6
f5 big-ip global traffic manager>= 15.0.0 and < 15.0.1.4
f5 big-ip global traffic manager>= 15.1.0 and < 15.1.0.4

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Public Exploits & PoCs

webappsF5 Big-IP 13.1.3 Build 0.0.6 - Local File Inclusion2020-07-26
webappsBIG-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 Execution2020-07-06
webappsBIG-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)2020-07-05
nucleiF5 BIG-IP TMUI - Remote Code Executioncritical
pocpacketstormsecurity.com · BIG-IP-TMUI-Remote-Code-Execution.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · BIG-IP-TMUI-Remote-Code-Execution.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execu...packetstormsecurity.com
pocpacketstormsecurity.com · Checker-CVE-2020-5902.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · F5-Big-IP-13.1.3-Build-0.0.6-Local-File-Inclusion.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · F5-BIG-IP-TMUI-Directory-Traversal-File-Upload-Code-Execu...packetstormsecurity.com
pocbadpackets.net · over-3000-f5-big-ip-endpoints-vulnerable-to-cve-2020-5902badpackets.net
pocgithub.com · CVE-2020-5902github.com
pocswarm.ptsecurity.com · rce-in-f5-big-ipswarm.ptsecurity.com
pocwww.criticalstart.com · f5-big-ip-remote-code-execution-exploitwww.criticalstart.com

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Detection Rules (IDS/IPS)

et-openET EXPLOIT F5 TMUI RCE vulnerability CVE-2020-5902 Attempt M1attempted-admin

et-openET EXPLOIT F5 TMUI RCE vulnerability CVE-2020-5902 Attempt M2attempted-admin

Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

relatedcriticalAntivirus Password Dumper Detection

relatedcriticalHacktool Execution - Imphash

relatedcriticalHackTool - Rubeus Execution

relatedcriticalPotential Credential Dumping Via LSASS Process Clone

relatedcriticalWCE wceaux.dll Access

relatedcriticalHackTool - Dumpert Process Dumper Default File

Show all 10 top matches

relatedcriticalHackTool - Credential Dumping Tools Named Pipe Created

relatedcriticalHackTool - Inveigh Execution

relatedcriticalHackTool - SafetyKatz Execution

relatedcriticalHackTool - Dumpert Process Dumper Execution

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Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · f5sirt@f5.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD01 Jul 2020 · 03:15 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

active

Automatable

yes

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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Vendor Advisories

cisaKEV-CVE-2020-5902

splunk-security-content810e4dbc-d46e-11ea-87d0-0242ac130003

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://support.f5.com/csp/article/K52145254Vendor Advisory

https://www.kb.cert.org/vuls/id/290915Third Party AdvisoryUS Government Resource

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5902US Government Resource

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