CVE-2020-5902

CRITICAL

9.8

CVSS Score

Published: July 1, 2020 at 12:00 AM UTC

Updated: June 17, 2026 at 03:22 AM UTC

15 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

Using BIG-IP by N/A?

Get instant alerts when new vulnerabilities affect BIG-IP - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

CRITICAL9.8

Exploitation

CISA KEV

Exploit prediction

EPSS 100%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score100.0%

EPSS (Exploit Prediction Scoring System) estimates a 100.0% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

F5 BIG-IP Traffic Management User Interface (TMUI) contains a remote code execution vulnerability in undisclosed pages.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Known

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

1638 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-5902

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Access Policy Manager · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v ≤ 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Advanced Firewall Manager · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Advanced Web Application Firewall · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Analytics · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Application Acceleration Manager · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Application Security Manager · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Ddos Hybrid Defender · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Domain Name System · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Fraud Protection Service · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Big IP Global Traffic Manager · F5

95%

11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.615.0.0 ≤ v < 15.0.1.415.1.0 ≤ v < 15.1.0.4

Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.0.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (13)

ExploitThird Party AdvisoryVDB Entry

Source: [email protected]

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

Third Party AdvisoryVDB Entry

Source: [email protected]

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

ExploitThird Party AdvisoryVDB Entry

Source: [email protected]

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

Third Party AdvisoryVDB Entry

Source: [email protected]

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

ExploitThird Party AdvisoryVDB Entry

Source: [email protected]

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

ExploitThird Party AdvisoryVDB Entry

Source: [email protected]

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

ExploitThird Party Advisory

Source: [email protected]

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

Broken LinkExploitThird Party Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-22

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card