{"id":"CVE-2025-1893","summary":"Open5GS AMF gmm-sm.c gmm_state_authentication denial of service","details":"A vulnerability was found in Open5GS up to 2.7.2. It has been declared as problematic. Affected by this vulnerability is the function gmm_state_authentication of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. The patch is named e31e9965f00d9c744a7f728497cb4f3e97744ee8. It is recommended to apply a patch to fix this issue.","modified":"2026-08-12T15:13:19.818787Z","published":"2025-03-04T00:00:13.888Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-404"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1893.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1893.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-1893"},{"type":"ADVISORY","url":"https://vuldb.com/?id.298411"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.505952"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3707"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3707#issue-2833194192"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3707#issuecomment-2639620554"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.298411"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ee8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"0"},{"fixed":"e31e9965f00d9c744a7f728497cb4f3e97744ee8"}],"database_specific":{"cpe":"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.7.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["2.7.0","2.7.1","2.7.2","v2.7.2","v2.7.1","v2.7.0","v2.6.6","v2.6.4","v2.6.3","v2.6.2","v2.6.1","v2.4.9","v2.4.8","v2.4.7","v2.4.5","v2.4.4","v2.4.3","v2.4.1","v2.4.0","v2.3.6","v2.3.2","v2.3.0","v2.2.9","v2.2.8","v2.2.7","v2.2.6","v2.2.1","v2.2.0","v2.1.7","v2.1.5","v2.1.4","v2.1.3","v2.1.1","v2.1.0","v2.0.22","v2.0.18","v2.0.0","v1.3.0","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.0","v1.0.0","v0.5.2","v0.5.1","v0.5.0","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.3.10","v0.3.8","v0.3.6","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.0","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1893.json","vanir_signatures_modified":"2026-08-12T15:13:19Z","vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ee8","target":{"file":"src/amf/gmm-sm.c","function":"gmm_state_authentication"},"deprecated":false,"digest":{"function_hash":"174147939507531387888163707997447221142","length":8015},"id":"CVE-2025-1893-92a56add"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}