{ "id": "CVE-2020-26186", "sourceIdentifier": "security_alert@emc.com", "published": "2021-01-08T19:15:14.320", "lastModified": "2024-11-21T05:19:29.030", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM)." }, { "lang": "es", "value": "Dell Inspiron 5675 BIOS versiones anteriores a 1.4.1, contienen una vulnerabilidad de sobrescritura de UEFI BIOS RuntimeServices. Un atacante local con acceso a una memoria del sistema puede explotar esta vulnerabilidad al sobrescribir la estructura de RuntimeServices para ejecutar c\u00f3digo arbitrario en System Management Mode (SMM)" } ], "metrics": { "cvssMetricV31": [ { "source": "security_alert@emc.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 6.8, "baseSeverity": "MEDIUM", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 0.9, "impactScore": 5.9 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 6.8, "baseSeverity": "MEDIUM", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 0.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "baseScore": 7.2, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "security_alert@emc.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-642" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-668" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:dell:inspiron_5675_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.4.1", "matchCriteriaId": "94F0E368-ED94-4604-90D9-A7723D935EE9" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:dell:inspiron_5675:-:*:*:*:*:*:*:*", "matchCriteriaId": "FD70CCA8-6267-4C6D-94FC-03CBE34B2508" } ] } ] } ], "references": [ { "url": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability", "source": "security_alert@emc.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }