{"id":"CVE-2021-22975","aliases":["EUVD-2021-10093","GHSA-jjmf-rvpm-r6pc"],"status":"published","title":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1,...","description":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) 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":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00979,"percentile":0.62673,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-02-12T16:02:21Z","modified":"2026-06-17T03:38:08Z","products":[{"vendor":"f5","product":"big-ip"},{"vendor":"f5","product":"big-ip_access_policy_manager"},{"vendor":"f5","product":"big-ip_advanced_firewall_manager"},{"vendor":"f5","product":"big-ip_advanced_web_application_firewall"},{"vendor":"f5","product":"big-ip_analytics"},{"vendor":"f5","product":"big-ip_application_acceleration_manager"},{"vendor":"f5","product":"big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_ddos_hybrid_defender"},{"vendor":"f5","product":"big-ip_domain_name_system"},{"vendor":"f5","product":"big-ip_fraud_protection_service"},{"vendor":"f5","product":"big-ip_global_traffic_manager"},{"vendor":"f5","product":"big-ip_link_controller"},{"vendor":"f5","product":"big-ip_local_traffic_manager"},{"vendor":"f5","product":"big-ip_policy_enforcement_manager"},{"vendor":"f5","product":"big-ip_ssl_orchestrator"}],"references":[{"url":"https://support.f5.com/csp/article/K21971977","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22975"},{"url":"https://github.com/advisories/GHSA-jjmf-rvpm-r6pc"}],"sources":{"cve":[{"id":"CVE-2021-22975","description":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.","status":"published","published":"2021-02-12T16:02:21Z","modified":"2024-08-03T18:58:26.116Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-10093","description":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.","status":"published","published":"2021-02-12T16:02:21Z","modified":"2024-08-03T18:58:26Z","updated_at":"2026-11-03T03:25:00.591933Z"}],"ghsa":[{"id":"GHSA-jjmf-rvpm-r6pc","title":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1,...","description":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.","status":"published","published":"2022-05-24T17:42:05Z","modified":"2023-01-29T05:05:21Z","updated_at":"2026-11-02T14:45:46.414099Z"}],"nvd":[{"id":"CVE-2021-22975","description":"On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.","status":"published","published":"2021-02-12T17:15:14.48Z","modified":"2026-06-17T03:38:08.207Z","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":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}