CVE-2024-21849

7.5 highEPSS 0.5%

High (7.5) in f5. EPSS 0.5% chance of exploitation in the next 30 days.

When an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-466
Published: 2024-02-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_advanced_web_application_firewall
f5:big-ip_application_security_manager

References

https://my.f5.com/manage/s/article/K000135873
https://my.f5.com/manage/s/article/K000135873

Check your stack JSON