CVE-2021-23031

CRITICAL

F5 BIG-IP Advanced WAF/ASM Privilege Escalation (16.0.1.2/15.1.3/14.1.4.1/13.1.4/12.1.6/11.6.5.3)

Title source: llm
STIX 2.1

Description

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

Core 1
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K41351250

Scores

CVSS v3 9.9
EPSS 0.0050
EPSS Percentile 66.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (2)
f5/big-ip_advanced_web_application_firewall 11.6.1 - 11.6.5.2
f5/big-ip_application_security_manager 11.6.1 - 11.6.5.2
Published Sep 14, 2021
Tracked Since Feb 18, 2026