{"id":"CVE-2023-37022","aliases":["EUVD-2023-40942","GHSA-mx53-8x3c-jgqv"],"status":"published","title":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request`...","description":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.","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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00813,"percentile":0.57318,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-770"],"published":"2025-01-22T00:00:00Z","modified":"2026-10-28T02:30:55Z","products":[{"vendor":"open5gs","product":"open5gs"}],"references":[{"url":"https://cellularsecurity.org/ransacked","tags":["Exploit","Technical Description","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37022","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mx53-8x3c-jgqv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37022.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-37022","description":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.","status":"published","published":"2025-01-22T00:00:00Z","modified":"2025-03-18T18:52:52.261Z","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":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:16.454633Z"}],"euvd":[{"id":"EUVD-2023-40942","description":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.","status":"published","published":"2025-01-22T00:00:00Z","modified":"2025-03-18T18:52:52Z","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":"2026-11-02T20:52:59.954045Z"}],"ghsa":[{"id":"GHSA-mx53-8x3c-jgqv","title":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request`...","description":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.","status":"published","published":"2025-01-22T15:32:35Z","modified":"2025-03-18T21:31:55Z","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-400","CWE-770"],"updated_at":"2026-11-02T15:00:20.689988Z"}],"nvd":[{"id":"CVE-2023-37022","description":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.","status":"published","published":"2025-01-22T15:15:11.817Z","modified":"2026-06-17T06:07:31.09Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:09:20.080574Z"}],"osv":[{"id":"CVE-2023-37022","description":"Open5GS MME versions \u003c= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.","status":"published","published":"2025-01-22T00:00:00Z","modified":"2026-10-28T02:30:55.283219359Z","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":"2026-11-02T15:44:32.510144Z"}]}}