BIG-IP DNS profile vulnerability
CVE-2023-22839

7.5HIGH

Key Information:

Vendor

F5
Status
Big-ip
Vendor
CVE Published:
1 February 2023

What is CVE-2023-22839?

In specific versions of BIG-IP by F5 Networks, a configuration issue regarding the Rapid Response Mode setting within a DNS profile can cause the Traffic Management Microkernel (TMM) to terminate unexpectedly. This issue is particularly relevant when hardware SYN cookies are enabled. It is important for users to ensure they are running supported versions and to monitor their configurations to mitigate potential disruptions.

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Affected Version(s)

BIG-IP 17.0.0 < 17.0.0.2

BIG-IP 16.1.0 < 16.1.3.3

BIG-IP 15.1.0 < 15.1.8.1

References

https://my.f5.com/manage/s/article/K37708118

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

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