{"id":"CVE-2020-26186","state":"PUBLISHED","title":"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 vulnerab","description":"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).","publishedAt":"2021-01-08T18:55:13.689Z","updatedAt":"2024-09-17T02:26:57.793Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"dell"},"assigner":"dell","products":["Dell CPG BIOS"],"affected":[{"vendor":"Dell","product":"CPG BIOS","versions":[{"version":"unspecified","status":"affected","lessThan":"1.4.1","versionType":"custom"}]}],"references":["https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability"],"weaknesses":["CWE-642"],"ingestedAt":"2026-10-29T19:47:08.370Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/26xxx/CVE-2020-26186.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-26186","state":"PUBLISHED","datePublished":"2021-01-08T18:55:13.689Z","dateUpdated":"2024-09-17T02:26:57.793Z","assignerShortName":"dell","assignerOrgId":"c550e75a-17ff-4988-97f0-544cde3820fe","dateReserved":"2020-09-30T00:00:00.000Z"},"containers":{"cna":{"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)."}],"affected":[{"vendor":"Dell","product":"CPG BIOS","versions":[{"version":"unspecified","status":"affected","lessThan":"1.4.1","versionType":"custom"}]}],"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","tags":["x_refsource_MISC"]}],"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":{"shortName":"dell","dateUpdated":"2021-01-08T18:55:13.000Z","orgId":"c550e75a-17ff-4988-97f0-544cde3820fe"},"datePublic":"2020-12-16T00:00:00.000Z","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":[{"title":"CVE Program Container","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","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T15:49:07.191Z"}}]}}}