{"id":"CVE-2020-5946","aliases":["EUVD-2020-27100","GHSA-fc22-93xp-cww8"],"status":"published","title":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7,...","description":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).","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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01044,"percentile":0.64546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-11-05T19:26:28Z","modified":"2026-06-17T03:22:30Z","products":[{"vendor":"f5","product":"big-ip_advanced_web_application_firewall"},{"vendor":"f5","product":"big-ip_fraud_protection_service"}],"references":[{"url":"https://support.f5.com/csp/article/K53821711","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5946"},{"url":"https://github.com/advisories/GHSA-fc22-93xp-cww8"}],"sources":{"cve":[{"id":"CVE-2020-5946","description":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).","status":"published","published":"2020-11-05T19:26:28Z","modified":"2024-08-04T08:47:41.009Z","updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-27100","description":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).","status":"published","published":"2020-11-05T19:26:28Z","modified":"2024-08-04T08:47:41Z","updated_at":"2026-11-03T03:08:04.689205Z"}],"ghsa":[{"id":"GHSA-fc22-93xp-cww8","title":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7,...","description":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).","status":"published","published":"2022-05-24T17:33:16Z","modified":"2023-01-29T05:04:36Z","updated_at":"2026-11-02T14:45:36.114986Z"}],"nvd":[{"id":"CVE-2020-5946","description":"In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).","status":"published","published":"2020-11-05T20:15:17.973Z","modified":"2026-06-17T03:22:30.307Z","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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:21.80969Z"}]}}