{"id":"CVE-2021-21571","state":"PUBLISHED","title":"Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated","description":"Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service and payload tampering.","publishedAt":"2021-06-24T17:00:15.004Z","updatedAt":"2024-09-16T17:14:18.169Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","source":"dell"},"assigner":"dell","products":["Dell UEFI BIOS https stack"],"affected":[{"vendor":"Dell","product":"UEFI BIOS https stack","versions":[{"version":"Gen 11, Gen 10","status":"affected"}]}],"references":["https://www.dell.com/support/kbdoc/en-us/000188682"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T19:47:59.168Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/21xxx/CVE-2021-21571.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-21571","state":"PUBLISHED","datePublished":"2021-06-24T17:00:15.004Z","dateUpdated":"2024-09-16T17:14:18.169Z","assignerShortName":"dell","assignerOrgId":"c550e75a-17ff-4988-97f0-544cde3820fe","dateReserved":"2021-01-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service and payload tampering."}],"affected":[{"vendor":"Dell","product":"UEFI BIOS https stack","versions":[{"version":"Gen 11, Gen 10","status":"affected"}]}],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000188682","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"dell","dateUpdated":"2021-06-24T17:00:14.000Z","orgId":"c550e75a-17ff-4988-97f0-544cde3820fe"},"datePublic":"2021-06-24T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@dell.com","DATE_PUBLIC":"2021-06-24","ID":"CVE-2021-21571","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"UEFI BIOS https stack","version":{"version_data":[{"version_affected":"=","version_value":"Gen 11, Gen 10"}]}}]},"vendor_name":"Dell"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service and payload tampering."}]},"impact":{"cvss":{"baseScore":5.9,"baseSeverity":"Medium","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-295: Improper Certificate Validation"}]}]},"references":{"reference_data":[{"name":"https://www.dell.com/support/kbdoc/en-us/000188682","refsource":"MISC","url":"https://www.dell.com/support/kbdoc/en-us/000188682"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000188682","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T18:16:23.284Z"}}]}}}