{"id":"CVE-2023-50020","details":"An issue was discovered in open5gs v2.6.6. SIGPIPE can be used to crash AMF.","modified":"2026-08-12T14:51:42.124513Z","published":"2024-01-02T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50020.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50020.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50020"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/2734"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/commit/1aba814938e3a1b2eec7014bf6ce132d34622e08"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"499c70d8be63e5f87c2d1c2bcd4e521d50ce1a6b"},{"fixed":"1aba814938e3a1b2eec7014bf6ce132d34622e08"}],"database_specific":{"cpe":"cpe:2.3:a:open5gs:open5gs:2.6.6:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.6.6"},{"last_affected":"2.6.6"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["2.6.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-50020.json","vanir_signatures_modified":"2026-08-12T14:51:42Z","vanir_signatures":[{"id":"CVE-2023-50020-156e5222","signature_type":"Line","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/1aba814938e3a1b2eec7014bf6ce132d34622e08","target":{"file":"lib/core/ogs-epoll.c"},"deprecated":false,"digest":{"line_hashes":["258679680966478109637058829714542961759","1087122974324086793254986782000185821","50039983631367340945705108455980173495","194579143939750114301295186327857573540"],"threshold":0.9}},{"deprecated":false,"digest":{"function_hash":"41427705519457253457485057038637186193","length":1636},"id":"CVE-2023-50020-28672c80","signature_type":"Function","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/1aba814938e3a1b2eec7014bf6ce132d34622e08","target":{"function":"epoll_process","file":"lib/core/ogs-epoll.c"}}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}