{"id":"CVE-2021-44108","aliases":["EUVD-2021-30966","GHSA-w96w-f34f-w457"],"status":"published","title":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote...","description":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01495,"percentile":0.74521,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2022-04-05T01:22:49Z","modified":"2026-10-20T14:32:30Z","products":[{"vendor":"open5gs","product":"open5gs"}],"references":[{"url":"https://github.com/open5gs/open5gs/issues/1247","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/open5gs/open5gs/commit/d919b2744cd05abae043490f0a3dd1946c1ccb8c","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44108"},{"url":"https://github.com/advisories/GHSA-w96w-f34f-w457"}],"sources":{"cve":[{"id":"CVE-2021-44108","description":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.","status":"published","published":"2022-04-05T01:22:49Z","modified":"2024-08-04T04:10:17.353Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-30966","description":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.","status":"published","published":"2022-04-05T01:22:49Z","modified":"2024-08-04T04:10:17Z","updated_at":"2026-11-03T03:24:12.599691Z"}],"ghsa":[{"id":"GHSA-w96w-f34f-w457","title":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote...","description":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.","status":"published","published":"2022-04-06T00:01:33Z","modified":"2023-01-27T05:01:21Z","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-476"],"updated_at":"2026-11-02T14:41:52.644766Z"}],"nvd":[{"id":"CVE-2021-44108","description":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.","status":"published","published":"2022-04-05T02:15:06.927Z","modified":"2026-06-17T04:11:54.507Z","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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:05.581807Z"}],"osv":[{"id":"CVE-2021-44108","description":"A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.","status":"published","published":"2022-04-05T02:15:06.927Z","modified":"2026-10-20T14:32:30.765054665Z","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":"2026-11-02T15:44:21.877444Z"}]}}