CVE-2021-43614

{"id": "CVE-2021-43614", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-43614", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-03T13:13:14.144238Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.2}]}, "affected": [{"source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "affectedData": [{"vendor": "Insyde Software", "product": "InsydeH2O", "versions": [{"status": "affected", "version": "InsydeH2OUvePkg", "lessThan": "01.01.04.0008", "versionType": "custom"}], "platforms": ["x86"], "defaultStatus": "unaffected"}]}], "published": "2026-09-03T13:04:12.283", "references": [{"url": "https://www.insyde.com/security-pledge/sa-2022026/", "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21"}], "vulnStatus": "Undergoing Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "Error in handling the PlatformLangCodes UEFI variable could cause a buffer overflow, leading to resource exhaustion and failure."}], "lastModified": "2026-09-03T18:09:03.317", "sourceIdentifier": "8338d8cb-57f7-4252-abc0-96fd13e98d21"}