high
7.5
CWE
665
Advisory Published
CVE Published
Updated

CVE-2023-23555

First published: Wed Feb 01 2023(Updated: )

On BIG-IP Virtual Edition versions 15.1x beginning in 15.1.4 to before 15.1.8 and 14.1.x beginning in 14.1.5 to before 14.1.5.3, and BIG-IP SPK beginning in 1.5.0 to before 1.6.0, when FastL4 profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Access Policy Manager>=14.1.5<14.1.5.3
F5 BIG-IP Access Policy Manager>=15.1.4<15.1.8
F5 BIG-IP Advanced Firewall Manager>=14.1.5<14.1.5.3
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.8
F5 BIG-IP Analytics>=14.1.5<14.1.5.3
F5 BIG-IP Analytics>=15.1.4<15.1.8
F5 Big-ip Application Acceleration Manager>=14.1.5<14.1.5.3
F5 Big-ip Application Acceleration Manager>=15.1.4<15.1.8
F5 BIG-IP Application Security Manager>=14.1.5<14.1.5.3
F5 BIG-IP Application Security Manager>=15.1.4<15.1.8
F5 Big-ip Ddos Hybrid Defender>=14.1.5<14.1.5.3
F5 Big-ip Ddos Hybrid Defender>=15.1.4<15.1.8
F5 Big-ip Domain Name System>=14.1.5<14.1.5.3
F5 Big-ip Domain Name System>=15.1.4<15.1.8
F5 Big-ip Fraud Protection Service>=14.1.5<14.1.5.3
F5 Big-ip Fraud Protection Service>=15.1.4<15.1.8
F5 Big-ip Link Controller>=14.1.5<14.1.5.3
F5 Big-ip Link Controller>=15.1.4<15.1.8
F5 Big-ip Local Traffic Manager>=14.1.5<14.1.5.3
F5 Big-ip Local Traffic Manager>=15.1.4<15.1.8
F5 Big-ip Policy Enforcement Manager>=14.1.5<14.1.5.3
F5 Big-ip Policy Enforcement Manager>=15.1.4<15.1.8
F5 Big-ip Ssl Orchestrator>=14.1.5<14.1.5.3
F5 Big-ip Ssl Orchestrator>=15.1.4<15.1.8
F5 Big-ip Service Proxy Kubernetes>=1.5.0<1.6.0
F5 BIG-IP
F5 BIG-IP>=15.1.4<=15.1.7
15.1.8
F5 BIG-IP=14.1.5
14.1.5.3
F5 BIG-IP SPK=1.5
1.6

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-23555?

    The severity of CVE-2023-23555 is high with a severity value of 7.5.

  • How does CVE-2023-23555 affect F5 Big-ip Access Policy Manager?

    CVE-2023-23555 affects F5 Big-ip Access Policy Manager versions 14.1.5 to before 14.1.5.3.

  • What is the impact of CVE-2023-23555?

    CVE-2023-23555 allows undisclosed traffic to cause the Traffic Management Microkernel to fail, causing a denial of service.

  • How do I fix CVE-2023-23555?

    To fix CVE-2023-23555, users should upgrade their affected software to version 14.1.5.3 or later.

  • Where can I find more information about CVE-2023-23555?

    More information about CVE-2023-23555 can be found at the F5 support website: https://my.f5.com/manage/s/article/K24572686

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