{ "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" } } } }