XML External Entity injection in F5 Networks products - CVE-2022-23031
Published: January 19, 2022
Vulnerability identifier: #VU59844
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23031
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input. A remote authenticated high-privilege user can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
Affected software
BIG-IP FPS
BIG-IP ASM
BIG-IP Advanced WAF
BIG-IP ASM
BIG-IP Advanced WAF
How to mitigate CVE-2022-23031
Install updates from vendor's website.
BIG-IP FPS - addressed in versions 14.1.4.4, 15.1.4, 16.1.1
BIG-IP Advanced WAF - addressed in versions 14.1.4.4, 15.1.4, 16.1.1
BIG-IP ASM - addressed in versions 14.1.4.4, 15.1.4, 16.1.1
BIG-IP Advanced WAF - addressed in versions 14.1.4.4, 15.1.4, 16.1.1
BIG-IP ASM - addressed in versions 14.1.4.4, 15.1.4, 16.1.1