CVE-2023-40542 HIGH

CVE-2023-40542: BIG-IP TCP Profile vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-770 · Uncontrolled resource consumption
Published October 10, 2023
Last update September 18, 2025
View on NVD All CVEs

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 TCP Verified Accept is enabled on a TCP profile that is configured on a Virtual Server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Key dates

02Disclosure timeline

October 10, 2023 CVE published
September 18, 2025 Record updated