CVE-2023-23555

moderate-risk
Published 2023-02-01

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.

Do I need to act?

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0.89% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (13)

Affected Vendors

F5

References (2)

Vendor Advisory https://my.f5.com/manage/s/article/K24572686
Vendor Advisory https://my.f5.com/manage/s/article/K24572686
46
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 17/34 · Moderate