Permissions, Privileges, and Access Controls in BIG-IP ASM and BIG-IP Advanced WAF - CVE-2021-23031
Published: August 26, 2021
Vulnerability identifier: #VU56113
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-23031
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the TMUI/Configuration utility, which leads to security restrictions bypass and privilege escalation.
Affected software
BIG-IP ASM
BIG-IP Advanced WAF
BIG-IP Advanced WAF
How to mitigate CVE-2021-23031
Install updates from vendor's website.
BIG-IP ASM - addressed in versions 11.6.5.3, 12.1.6, 13.1.4, 14.1.4.1, 15.1.3, 16.0.1.2, 16.1.0
BIG-IP Advanced WAF - addressed in versions 11.6.5.3, 12.1.6, 13.1.4, 14.1.4.1, 15.1.3, 16.0.1.2, 16.1.0
BIG-IP Advanced WAF - addressed in versions 11.6.5.3, 12.1.6, 13.1.4, 14.1.4.1, 15.1.3, 16.0.1.2, 16.1.0