{"id":"CVE-2024-56921","aliases":["EUVD-2024-53450","GHSA-6wm8-q34j-2mc2"],"status":"published","title":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a...","description":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.","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":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00504,"percentile":0.43628,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-617"],"published":"2025-02-03T00:00:00Z","modified":"2026-10-28T10:42:13Z","products":[{"vendor":"open5gs","product":"open5gs"}],"references":[{"url":"https://github.com/open5gs/open5gs/issues/3608","tags":["Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840","tags":["Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56921","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6wm8-q34j-2mc2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56921.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-56921","description":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.","status":"published","published":"2025-02-03T00:00:00Z","modified":"2025-03-22T13:30:33.208Z","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":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:33:57.983942Z"}],"euvd":[{"id":"EUVD-2024-53450","description":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.","status":"published","published":"2025-02-03T00:00:00Z","modified":"2025-03-22T13:30:33Z","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":"2026-11-02T20:52:55.622908Z"}],"ghsa":[{"id":"GHSA-6wm8-q34j-2mc2","title":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a...","description":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.","status":"published","published":"2025-02-03T21:31:49Z","modified":"2025-03-22T15:30:36Z","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"}],"cwes":["CWE-400","CWE-617"],"updated_at":"2026-11-02T15:00:24.265228Z"}],"nvd":[{"id":"CVE-2024-56921","description":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.","status":"published","published":"2025-02-03T20:15:33.61Z","modified":"2026-06-17T08:13:04.967Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:10:43.581383Z"}],"osv":[{"id":"CVE-2024-56921","description":"An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.","status":"published","published":"2025-02-03T00:00:00Z","modified":"2026-10-28T10:42:13.512226549Z","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":"2026-11-02T15:44:44.777182Z"}]}}