{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18450", "assignerOrgId": "def9a96e-e099-41a9-bfac-30fd4f82c411", "state": "PUBLISHED", "assignerShortName": "Supermicro", "dateReserved": "2026-07-31T05:37:15.403Z", "datePublished": "2026-10-27T07:46:02.598Z", "dateUpdated": "2026-10-27T07:46:02.598Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "def9a96e-e099-41a9-bfac-30fd4f82c411", "shortName": "Supermicro", "dateUpdated": "2026-10-27T07:46:02.598Z"}, "title": "Supermicro BMC contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115: Authentication Bypass"}]}], "affected": [{"vendor": "SMCI", "product": "X12SPI", "platforms": ["BMC"], "versions": [{"status": "affected", "version": "01.07.20", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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."}]}], "references": [{"url": "https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "runZero", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["BMC"], "product": "X12SPI", "vendor": "SMCI", "versions": [{"status": "affected", "version": "01.07.20", "versionType": "custom"}]}], "source": "def9a96e-e099-41a9-bfac-30fd4f82c411"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-18450", "lastModified": "2026-10-27T15:54:05.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "def9a96e-e099-41a9-bfac-30fd4f82c411", "type": "Secondary"}]}, "published": "2026-10-27T08:16:53.710", "references": [{"source": "def9a96e-e099-41a9-bfac-30fd4f82c411", "url": "https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1"}], "sourceIdentifier": "def9a96e-e099-41a9-bfac-30fd4f82c411", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "def9a96e-e099-41a9-bfac-30fd4f82c411", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": ["bmc"], "status": "affected", "versions": {"scheme": "semver", "value": "01.07.20"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "X12SPI", "source": "cna", "vendor": "SMCI"}, "product": "x12spi", "vendor": "smci"}], "created": "2026-10-27T09:30:19.968709+00:00", "updated": "2026-10-28T22:18:05.467705+00:00", "vendors": ["smci", "smci$PRODUCT$x12spi"]}