#VU59844 XML External Entity injection

Published: 2022-01-19

Vulnerability identifier: #VU59844

Vulnerability risk: Low

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23031


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP Advanced WAF
Client/Desktop applications / Antivirus software/Personal firewalls
Hardware solutions / Security hardware applicances
Hardware solutions / Security hardware applicances

Vendor: F5 Networks, Inc.


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.

Install updates from vendor's website.

Vulnerable software versions

BIG-IP Advanced WAF: 14.1.0 - 16.1.0

BIG-IP ASM: 14.1.0 - 16.1.0

BIG-IP FPS: 14.1.0 - 16.1.0


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability