CVE-2020-26186

{"containers": {"cna": {"affected": [{"product": "CPG BIOS", "vendor": "Dell", "versions": [{"lessThan": "1.4.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2020-12-16T00:00:00.000Z", "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)."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-642", "description": "CWE-642: External Control of Critical State Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-08T18:55:13.000Z", "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secure@dell.com", "DATE_PUBLIC": "2020-12-16", "ID": "CVE-2020-26186", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "CPG BIOS", "version": {"version_data": [{"version_affected": "<", "version_value": "1.4.1"}]}}]}, "vendor_name": "Dell"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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)."}]}, "impact": {"cvss": {"baseScore": 6.8, "baseSeverity": "Medium", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-642: External Control of Critical State Data"}]}]}, "references": {"reference_data": [{"name": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability", "refsource": "MISC", "url": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:49:07.191Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability"}]}]}, "cveMetadata": {"assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "assignerShortName": "dell", "cveId": "CVE-2020-26186", "datePublished": "2021-01-08T18:55:13.689Z", "dateReserved": "2020-09-30T00:00:00.000Z", "dateUpdated": "2024-09-17T02:26:57.793Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "CPG BIOS", "vendor": "Dell", "versions": [{"lessThan": "1.4.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security_alert@emc.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:inspiron_5675_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "94F0E368-ED94-4604-90D9-A7723D935EE9", "versionEndExcluding": "1.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:inspiron_5675:-:*:*:*:*:*:*:*", "matchCriteriaId": "FD70CCA8-6267-4C6D-94FC-03CBE34B2508", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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.&#xa0;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)"}], "id": "CVE-2020-26186", "lastModified": "2026-06-17T03:07:47.850", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "security_alert@emc.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-08T19:15:14.320", "references": [{"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"], "url": "https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability"}], "sourceIdentifier": "security_alert@emc.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-642"}], "source": "security_alert@emc.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-668"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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