{"id":"CVE-2026-18450","title":"Supermicro BMC  contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability","summary":"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":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-306"],"vendor":"SMCI","product":"X12SPI","affected":["X12SPI 01.07.20"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T07:46:02.598Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-18450","references":[{"url":"https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1"}],"tags":["cve.org"],"epss":0.004,"epssPercentile":0.34114,"ingestedAt":"2026-10-27T16:11:59.247Z","slug":"CVE-2026-18450","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `X12SPI 01.07.20`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}