Arbitrary file upload in BIG-IP ASM and Advanced WAF REST API

Published: 2022-01-19
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23026
Exploitation vector Network
Public exploit N/A
Vulnerable software
Hardware solutions / Security hardware applicances

BIG-IP Advanced WAF
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor F5 Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU59846

Risk: Medium


CVE-ID: CVE-2022-23026

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No


The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of file during file upload in the REST API endpoint. A remote user can upload a malicious file and execute it on the server.


Install updates from vendor's website.

Vulnerable software versions

BIG-IP ASM: 12.1.0 - 16.1.1

BIG-IP Advanced WAF: 12.1.0 - 16.1.1

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?