{"id":"CVE-2025-54500","aliases":["EUVD-2025-24575","GHSA-q678-fxj6-jj99"],"status":"published","title":"HTTP/2 Vulnerability","description":"An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack). \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00496,"percentile":0.42866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2025-08-13T14:46:55Z","modified":"2026-06-17T09:40:12Z","products":[{"vendor":"f5","product":"big-ip"},{"vendor":"f5","product":"big-ip next"},{"vendor":"f5","product":"big-ip next cnf"},{"vendor":"f5","product":"big-ip next for kubernetes"},{"vendor":"f5","product":"big-ip next spk"},{"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_application_visibility_and_reporting"},{"vendor":"f5","product":"big-ip_automation_toolchain"},{"vendor":"f5","product":"big-ip_carrier-grade_nat"},{"vendor":"f5","product":"big-ip_container_ingress_services"},{"vendor":"f5","product":"big-ip_ddos_hybrid_defender"},{"vendor":"f5","product":"big-ip_domain_name_system"},{"vendor":"f5","product":"big-ip_edge_gateway"},{"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_next_central_manager"},{"vendor":"f5","product":"big-ip_next_cloud-native_network_functions"},{"vendor":"f5","product":"big-ip_next_for_kubernetes"},{"vendor":"f5","product":"big-ip_next_service_proxy_for_kubernetes"},{"vendor":"f5","product":"big-ip_policy_enforcement_manager"},{"vendor":"f5","product":"big-ip_ssl_orchestrator"},{"vendor":"f5","product":"big-ip_webaccelerator"},{"vendor":"f5","product":"big-ip_websafe"},{"vendor":"f5","product":"silverline"}],"references":[{"url":"https://my.f5.com/manage/s/article/K000152001","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/767506","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54500"},{"url":"https://github.com/advisories/GHSA-q678-fxj6-jj99"}],"sources":{"cve":[{"id":"CVE-2025-54500","title":"HTTP/2 Vulnerability","description":"An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack). \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2025-08-13T14:46:55.097Z","modified":"2025-11-03T20:06:30.935Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-24575","description":"An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack). \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2025-08-13T14:46:55Z","modified":"2025-11-03T20:06:30Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:49:32.896597Z"}],"ghsa":[{"id":"GHSA-q678-fxj6-jj99","title":"An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control...","description":"An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack). \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2025-08-13T15:30:35Z","modified":"2025-11-03T21:34:22Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:04:24.41654Z"}],"nvd":[{"id":"CVE-2025-54500","description":"An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack). \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2025-08-13T15:15:38.547Z","modified":"2026-06-17T09:40:12.997Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:11:23.594522Z"}]}}