CVE-2023-40534 HIGH

CVE-2023-40534: BIG-IP HTTP/2 vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-401
Published October 10, 2023
Last update September 19, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using the HTTP_REQUEST event or Local Traffic Policy are associated with the virtual server, undisclosed requests can cause TMM to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Key dates

02Disclosure timeline

October 10, 2023 CVE published
September 19, 2024 Record updated