CVE-2020-5953

{"id": "CVE-2020-5953", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.8}]}, "published": "2022-02-03T01:15:07.647", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20220222-0005/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.insyde.com/products", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.insyde.com/security-pledge", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2)."}, {"lang": "es", "value": "Se presenta una vulnerabilidad en el manejador de Interrupciones de administraci\u00f3n del Sistema (SWSMI) del c\u00f3digo del Firmware UEFI de InsydeH2O ubicado en el manejador SWSMI que desreferencia el puntero gRT (EFI_RUNTIME_SERVICES) para llamar a un servicio GetVariable, que es encontrado fuera de la SMRAM. Esto puede resultar en una ejecuci\u00f3n de c\u00f3digo en SMM (escalando el privilegio del anillo 0 al anillo -2)"}], "lastModified": "2022-04-12T18:17:18.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:5.12.09.0074:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1506F007-8D5A-4F89-9C20-39C956E5E330"}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.23.04.0045:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D71B9DC-9A25-4395-9369-E746B0BCFAD5"}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.23.45.0023:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB7F094E-CE8C-44EB-AA8F-04FE034C0D02"}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.33.15.0034:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F636FC4-E44B-49ED-96E4-BF7187F3344C"}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:5.34.03.0029:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D24FF36C-7E38-4EAA-80B2-299AF22619FF"}, {"criteria": 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