Improper Authorization in BIG-IP ASM and BIG-IP Advanced WAF - CVE-2021-23014
Published: April 29, 2021
Vulnerability identifier: #VU52747
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-23014
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform unauthorized actions.
The vulnerability exists due to improper authorization within the within the REST API. A remote user with guest privileges can upload and overwrite a limited set of files on BIG-IP Advanced WAF and ASM systems.
Affected software
BIG-IP ASM
BIG-IP Advanced WAF
BIG-IP Advanced WAF
How to mitigate CVE-2021-23014
Install updates from vendor's website.
BIG-IP ASM - addressed in versions 14.1.4, 15.1.3, 16.0.1.1
BIG-IP Advanced WAF - addressed in versions 14.1.4, 15.1.3, 16.0.1.1
BIG-IP Advanced WAF - addressed in versions 14.1.4, 15.1.3, 16.0.1.1