{"id":"CVE-2021-45462","aliases":["EUVD-2021-32228","GHSA-3c68-7mfh-fv9v"],"status":"published","title":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","description":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.04587,"percentile":0.91717,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1284","CWE-20"],"published":"2021-12-23T00:00:00Z","modified":"2026-10-20T14:30:20Z","products":[{"vendor":"open5gs","product":"open5gs"}],"references":[{"url":"https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://www.trendmicro.com/en_us/research/23/i/attacks-on-5g-infrastructure-from-users-devices.html","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45462"},{"url":"https://github.com/advisories/GHSA-3c68-7mfh-fv9v"}],"sources":{"cve":[{"id":"CVE-2021-45462","description":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","status":"published","published":"2021-12-23T00:00:00Z","modified":"2024-08-04T04:39:21.056Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32228","description":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","status":"published","published":"2021-12-23T00:00:00Z","modified":"2024-08-04T04:39:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-03T03:08:27.448176Z"}],"ghsa":[{"id":"GHSA-3c68-7mfh-fv9v","title":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","description":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","status":"published","published":"2021-12-24T00:00:46Z","modified":"2023-09-26T00:31:05Z","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-20","CWE-1284"],"updated_at":"2026-11-02T14:54:46.481792Z"}],"nvd":[{"id":"CVE-2021-45462","description":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","status":"published","published":"2021-12-23T04:15:09.573Z","modified":"2026-06-17T04:13:24.743Z","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"},{"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-1284"],"updated_at":"2026-11-02T14:07:02.566991Z"}],"osv":[{"id":"CVE-2021-45462","description":"In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.","status":"published","published":"2021-12-23T04:15:09.573Z","modified":"2026-10-20T14:30:20.263106108Z","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":"2026-11-02T15:44:22.18434Z"}]}}