{"id":"CVE-2025-1925","summary":"Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service","details":"A vulnerability classified as problematic was found in Open5GS up to 2.7.2. Affected by this vulnerability is the function amf_nsmf_pdusession_handle_update_sm_context of the file src/amf/nsmf-handler.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. It is recommended to apply a patch to fix this issue.","modified":"2026-08-12T03:51:10.553399178Z","published":"2025-03-04T13:09:24.363Z","database_specific":{"cwe_ids":["CWE-404"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1925.json","cna_assigner":"VulDB"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1925.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-1925"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.506038"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/pull/3711"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.298513"},{"type":"EVIDENCE","url":"https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20PDU%20Session%20ID%20Conflict"},{"type":"EVIDENCE","url":"https://vuldb.com/?id.298513"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"83e35bb2de7e67646fdba849580184422b10006a"},{"last_affected":"43fa4857cce8af6b6ec3c8e3b0cbf99444948f76"}],"database_specific":{"extracted_events":[{"introduced":"2.7.0"},{"last_affected":"2.7.0"},{"introduced":"2.7.1"},{"last_affected":"2.7.1"},{"introduced":"2.7.2"},{"last_affected":"2.7.2"},{"introduced":"0"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"}}],"versions":["2.7.0","2.7.1","2.7.2","v2.7.2","v2.7.1","v2.7.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1925.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}