{"id":"CVE-2024-21849","aliases":["EUVD-2024-19460","GHSA-wjw6-7qc3-vghj"],"status":"published","title":"BIG-IP Websockets vulnerability","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00515,"percentile":0.44345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-466"],"published":"2024-02-14T16:30:21Z","modified":"2026-06-17T07:10:16Z","products":[{"vendor":"f5","product":"big-ip"},{"vendor":"f5","product":"big-ip_advanced_web_application_firewall"},{"vendor":"f5","product":"big-ip_application_security_manager"}],"references":[{"url":"https://my.f5.com/manage/s/article/K000135873","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21849"},{"url":"https://github.com/advisories/GHSA-wjw6-7qc3-vghj"}],"sources":{"cve":[{"id":"CVE-2024-21849","title":"BIG-IP Websockets vulnerability","description":"\n\n\nWhen 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.","status":"published","published":"2024-02-14T16:30:21.661Z","modified":"2024-08-01T22:27:36.345Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-466"],"updated_at":"2026-11-02T14:34:05.077718Z"}],"euvd":[{"id":"EUVD-2024-19460","description":"\n\n\nWhen 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.","status":"published","published":"2024-02-14T16:30:21Z","modified":"2024-08-01T22:27:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:29.983832Z"}],"ghsa":[{"id":"GHSA-wjw6-7qc3-vghj","title":"\n\n\nWhen an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual...","description":"\n\n\nWhen 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.","status":"published","published":"2024-02-14T18:30:25Z","modified":"2026-03-23T05:09:37Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-466"],"updated_at":"2026-11-02T15:06:47.740951Z"}],"nvd":[{"id":"CVE-2024-21849","description":"\n\n\nWhen 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.","status":"published","published":"2024-02-14T17:15:12.417Z","modified":"2026-06-17T07:10:16.637Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-466"],"updated_at":"2026-11-02T14:09:35.738752Z"}]}}