CVE-2024-21849

HIGH

F5 BIG-IP Advanced WAF and ASM 16.1.0-16.1.3 - Denial of Service via WebSocket Traffic

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://my.f5.com/manage/s/article/K000135873

Scores

CVSS v3 7.5
EPSS 0.0031
EPSS Percentile 54.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-466
Status published
Products (2)
f5/big-ip_advanced_web_application_firewall 16.1.0 - 16.1.4
f5/big-ip_application_security_manager 16.1.0 - 16.1.4
Published Feb 14, 2024
Tracked Since Feb 18, 2026