CVE-2026-65197

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "HDM Family-A G5", "vendor": "H3C", "versions": [{"lessThanOrEqual": "6.14.01", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "44488dab-36db-4358-99f9-bc116477f914"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "H3C HDM Family-A verifies the RSA signature of a firmware image against a public key it reads from the mutable file `/conf/public.pem`. That file is writable by an authenticated Redfish client through the `UpdateService.UploadSignKey` action, which stores the uploaded body verbatim after validating only that the multipart filename ends in `.pem`. An administrator, or any account with `firmware-update` privilege, can therefore replace the trust anchor with their own key, sign a malicious image with the matching private key, and have it pass verification. Family-A has no hardware root-of-trust (no PFR) to catch the substituted key.\u00a0\n\nThis was observed on H3C HDM Family-A G5 HDM 6.14.01. H3C HDM Family-A G3/G5 builds carrying the Redfish/DRE update tree appear to be affected. HDM2 uses a different update path and is not covered by this finding."}], "id": "CVE-2026-65197", "lastModified": "2026-10-16T19:56:15.773", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 2.5, "source": "44488dab-36db-4358-99f9-bc116477f914", "type": "Secondary"}], "ssvcV203": [{"source": "44488dab-36db-4358-99f9-bc116477f914", "ssvcData": {"options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CNA", "version": "2.0.3"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65197", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-14T18:58:59.500334Z", "version": "2.0.3"}}]}, "published": "2026-10-13T15:17:46.690", "references": [{"source": "44488dab-36db-4358-99f9-bc116477f914", "url": "https://www.runzero.com/advisories/h3c-hdm-firmware-verification-key-replacement-cve-2026-65197"}], "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "44488dab-36db-4358-99f9-bc116477f914", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.14.01]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "HDM Family-A G5", "source": "cna", "vendor": "H3C"}, "product": "hdm_family-a_g5", "vendor": "h3c"}], "created": "2026-10-22T09:08:44.785101+00:00", "updated": "2026-10-22T09:08:44.785151+00:00", "vendors": ["h3c", "h3c$PRODUCT$hdm_family-a_g5"]}