CVE-2022-23031 - Improper Restriction of XML External Entity Reference

Severity

49%

Complexity

12%

Confidentiality

60%

On BIG-IP FPS, ASM, and Advanced WAF versions 16.1.x before 16.1.1, 15.1.x before 15.1.4, and 14.1.x before 14.1.4.4, an XML External Entity (XXE) vulnerability exists in an undisclosed page of the F5 Advanced Web Application Firewall (Advanced WAF) and BIG-IP ASM Traffic Management User Interface (TMUI), also referred to as the Configuration utility, that allows an authenticated high-privileged attacker to read local files and force BIG-IP to send HTTP requests. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 3.1 Base Score 4.9. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:S/C:P/I:N/A:N).

Overview

Type

F5 Big-IP

First reported 3 years ago

2022-01-25 20:15:00

Last updated 3 years ago

2022-02-01 19:11:00

Affected Software

F5 Big-IP Application Security Manager (ASM)

F5 Big-IP Fraud Protection Service (FPS)

References

https://support.f5.com/csp/article/K61112120

https://support.f5.com/csp/article/K61112120

Mitigation, Vendor Advisory

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