BIG-IP TCP Profile vulnerability
CVE-2023-40542

7.5HIGH

Key Information:

Vendor

F5
Status
Big-ip
Vendor
CVE Published:
10 October 2023

What is CVE-2023-40542?

This vulnerability occurs when TCP Verified Accept is enabled on a TCP profile for a Virtual Server, leading to an increase in memory resource usage due to unacknowledged requests. This condition may result in performance degradation or unstable behavior of the system, particularly in environments where software versions are no longer supported.

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Affected Version(s)

BIG-IP 16.1.0 < 16.1.4

BIG-IP 15.1.0 < 15.1.9

BIG-IP 14.1.0

References

https://my.f5.com/manage/s/article/K000134652
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F5
JSON
.