Description

When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Classification

CVE ID: CVE-2025-41431

CVSS Base Severity: HIGH

CVSS Base Score: 7.5

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

Affected Products

Vendor: F5

Product: BIG-IP

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.1% (probability of being exploited)

EPSS Percentile: 28.53% (scored less or equal to compared to others)

EPSS Date: 2025-06-05 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-41431
https://my.f5.com/manage/s/article/K000150668

Timeline