{"id":"CVE-2023-37013","aliases":["EUVD-2023-40933","GHSA-5jwj-c4gj-x35c"],"status":"published","title":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a...","description":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00548,"percentile":0.46237,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-617"],"published":"2025-01-22T00:00:00Z","modified":"2026-10-28T02:30:51Z","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-2023-37013","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5jwj-c4gj-x35c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37013.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-37013","description":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.","status":"published","published":"2025-01-22T00:00:00Z","modified":"2025-01-23T21:32:04.376Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"adp"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:35:16.454633Z"}],"euvd":[{"id":"EUVD-2023-40933","description":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.","status":"published","published":"2025-01-22T00:00:00Z","modified":"2025-01-23T21:32:04Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T00:04:14.026358Z"}],"ghsa":[{"id":"GHSA-5jwj-c4gj-x35c","title":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a...","description":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.","status":"published","published":"2025-01-22T15:32:34Z","modified":"2025-01-24T00:32:50Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:59:39.698534Z"}],"nvd":[{"id":"CVE-2023-37013","description":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.","status":"published","published":"2025-01-22T15:15:10.883Z","modified":"2026-06-17T06:07:29.45Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:09:20.080574Z"}],"osv":[{"id":"CVE-2023-37013","description":"Open5GS MME versions \u003c= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.","status":"published","published":"2025-01-22T00:00:00Z","modified":"2026-10-28T02:30:51.807769279Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:44:32.510144Z"}]}}