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CVE-2023-23555

HIGHCVSS 7.5/10EPSS 0.63%

Last modified

CVE-2023-23555 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. . EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 14.1.5, < 14.1.5.3
F5Big-Ip Access Policy Manager>= 15.1.4, < 15.1.8
F5Big-Ip Advanced Firewall Manager>= 14.1.5, < 14.1.5.3
F5Big-Ip Advanced Firewall Manager>= 15.1.0, < 15.1.8
F5Big-Ip Analytics>= 14.1.5, < 14.1.5.3
F5Big-Ip Analytics>= 15.1.4, < 15.1.8
F5Big-Ip Application Acceleration Manager>= 14.1.5, < 14.1.5.3
F5Big-Ip Application Acceleration Manager>= 15.1.4, < 15.1.8
F5Big-Ip Application Security Manager>= 14.1.5, < 14.1.5.3
F5Big-Ip Application Security Manager>= 15.1.4, < 15.1.8
F5Big-Ip Ddos Hybrid Defender>= 14.1.5, < 14.1.5.3
F5Big-Ip Ddos Hybrid Defender>= 15.1.4, < 15.1.8
F5Big-Ip Domain Name System>= 14.1.5, < 14.1.5.3
F5Big-Ip Domain Name System>= 15.1.4, < 15.1.8
F5Big-Ip Fraud Protection Service>= 14.1.5, < 14.1.5.3
F5Big-Ip Fraud Protection Service>= 15.1.4, < 15.1.8
F5Big-Ip Link Controller>= 14.1.5, < 14.1.5.3
F5Big-Ip Link Controller>= 15.1.4, < 15.1.8
F5Big-Ip Local Traffic Manager>= 14.1.5, < 14.1.5.3
F5Big-Ip Local Traffic Manager>= 15.1.4, < 15.1.8
F5Big-Ip Policy Enforcement Manager>= 14.1.5, < 14.1.5.3
F5Big-Ip Policy Enforcement Manager>= 15.1.4, < 15.1.8
F5Big-Ip Ssl Orchestrator>= 14.1.5, < 14.1.5.3
F5Big-Ip Ssl Orchestrator>= 15.1.4, < 15.1.8
F5Big-Ip Service Proxy>= 1.5.0, < 1.6.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-23555?
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.
How severe is CVE-2023-23555?
CVE-2023-23555 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23555?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23555?

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Source: NVD / NIST