{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18451","assignerOrgId":"def9a96e-e099-41a9-bfac-30fd4f82c411","state":"PUBLISHED","assignerShortName":"Supermicro","dateReserved":"2026-07-31T05:37:17.153Z","datePublished":"2026-10-27T07:51:10.336Z","dateUpdated":"2026-10-27T07:51:10.336Z"},"containers":{"cna":{"providerMetadata":{"orgId":"def9a96e-e099-41a9-bfac-30fd4f82c411","shortName":"Supermicro","dateUpdated":"2026-10-27T07:51:10.336Z"},"title":"Supermicro BMC's iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-337","description":"CWE-337: Predictable Seed in a Pseudo-Random Number Generator (PRNG)","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-59","descriptions":[{"lang":"en","value":"CAPEC-59: Session Hijacking"}]}],"affected":[{"vendor":"SMCI","product":"MBD-X12SPI","platforms":["BMC"],"versions":[{"status":"affected","version":"01.07.20","versionType":"custom"}],"defaultStatus":"affected"}],"descriptions":[{"lang":"en","value":"The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.","supportingMedia":[{"type":"text/html","base64":false,"value":"The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM 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":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"LOW","baseScore":3.1,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"}}],"credits":[{"lang":"en","value":"runZero","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}