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Vulnerability record · CVE-2023-23555 · published 1 February 2023

CVE-2023-23555: F5 big-ip access policy manager vulnerability

F5 · Big Ip Access Policy Manager

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.

7.5 CVSS 3.1 High EPSS 0.63% · top 51.8% CWE-665 · CWE-665
7.5CVSS 3.1 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://my.f5.com/manage/s/article/K24572686 Vendor Advisory
https://my.f5.com/manage/s/article/K24572686 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-23555), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.