{"id":"CVE-2026-18450","aliases":["EUVD-2026-110633","GHSA-4gmh-3v9m-9469"],"status":"published","title":"Supermicro BMC  contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability","description":"The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.004,"percentile":0.34736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-10-27T07:46:02Z","modified":"2026-11-04T14:59:40Z","products":[{"vendor":"smci","product":"x12spi"}],"references":[{"url":"https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18450"},{"url":"https://github.com/advisories/GHSA-4gmh-3v9m-9469"}],"sources":{"cve":[{"id":"CVE-2026-18450","title":"Supermicro BMC  contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability","description":"The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.","status":"published","published":"2026-10-27T07:46:02.598Z","modified":"2026-11-04T14:59:40.706Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-04T15:32:52.167772Z"}],"euvd":[{"id":"EUVD-2026-110633","description":"The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.","status":"published","published":"2026-10-27T07:46:02Z","modified":"2026-11-04T14:59:40Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-04T16:10:35.925015Z"}],"ghsa":[{"id":"GHSA-4gmh-3v9m-9469","title":"The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An...","description":"The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.","status":"published","published":"2026-10-27T09:30:59Z","modified":"2026-10-27T09:30:59Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:14:28.078787Z"}],"nvd":[{"id":"CVE-2026-18450","description":"The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.","status":"published","published":"2026-10-27T08:16:53.71Z","modified":"2026-11-04T15:17:44.287Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-04T18:06:23.753671Z"}]}}