{"containers": {"cna": {"affected": [{"product": "PowerEdge BIOS Intel 15G", "vendor": "Dell", "versions": [{"lessThan": "2.11.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-06-08T00:00:00", "descriptions": [{"lang": "en", "value": "Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-14T19:10:15", "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.dell.com/support/kbdoc/000187958"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secure@dell.com", "DATE_PUBLIC": "2021-06-08", "ID": "CVE-2021-21556", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PowerEdge BIOS Intel 15G", "version": {"version_data": [{"version_affected": "<", "version_value": "2.11.2"}]}}]}, "vendor_name": "Dell"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment."}]}, "impact": {"cvss": {"baseScore": 6.1, "baseSeverity": "Medium", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-121: Stack-based Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://www.dell.com/support/kbdoc/000187958", "refsource": "MISC", "url": "https://www.dell.com/support/kbdoc/000187958"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:16:23.115Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.dell.com/support/kbdoc/000187958"}]}]}, "cveMetadata": {"assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "assignerShortName": "dell", "cveId": "CVE-2021-21556", "datePublished": "2021-06-14T19:10:15.963590Z", "dateReserved": "2021-01-04T00:00:00", "dateUpdated": "2024-09-17T01:40:39.312Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_r640_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C6D7153C-E15D-4041-B45F-207DEB0B13AE", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_r640:-:*:*:*:*:*:*:*", "matchCriteriaId": "81416C16-D7FA-4165-BB0E-6458A4EA5AEE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_r740_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4502AE6D-BA6B-46AA-A214-99143272BA70", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_r740:-:*:*:*:*:*:*:*", "matchCriteriaId": "DE562535-3D9B-4A82-AC0D-6A2225E63E8D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_r740xd_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3798FD8A-8A44-49F3-83E0-FD3D541DBCC2", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_r740xd:-:*:*:*:*:*:*:*", "matchCriteriaId": "868ECD3F-77CD-4F5D-86E5-61689E4C5BA0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_r940_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD596C2D-BA27-4ED0-BCF4-F9792AD3E358", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_r940:-:*:*:*:*:*:*:*", "matchCriteriaId": "B581E1DE-4E94-49E5-B5CF-2A94B2570708", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_r840_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9E8EDAF7-4C73-49F5-840A-A3E3DD4ED72D", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_r840:-:*:*:*:*:*:*:*", "matchCriteriaId": "E058B9C6-CD1C-42F5-8781-05450254E9E5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_r940xa_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F96E70D7-502B-42B9-8C50-30B685CC0E9E", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_r940xa:-:*:*:*:*:*:*:*", "matchCriteriaId": "3D143853-3D62-4AD7-B899-F726036A34D2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_t640_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E2AE262A-7389-4CB1-8A76-7B723563BEF6", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_t640:-:*:*:*:*:*:*:*", "matchCriteriaId": "1DEC0235-DDA1-4EE4-B3F8-512F1B29AFC6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_mx740c_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6552B1DC-BA56-42BC-AC35-374C764F256E", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_mx740c:-:*:*:*:*:*:*:*", "matchCriteriaId": "757039D5-60B9-40B0-B719-38E27409BDDE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:poweredge_mx840c_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "24D97615-28EC-4484-8E1E-BFB8EABE3284", "versionEndExcluding": "2.11.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dell:poweredge_mx840c:-:*:*:*:*:*:*:*", "matchCriteriaId": "E4305D0F-CB59-49D5-8D21-8ECC3342C36C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment."}, {"lang": "es", "value": "Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, y T640 Server BIOS contienen una vulnerabilidad de desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en sistemas con NVDIMM-N instalados. Un usuario local malicioso con privilegios elevados puede explotar potencialmente esta vulnerabilidad, conllevando a una denegaci\u00f3n de servicio, una ejecuci\u00f3n de c\u00f3digo arbitrario o una divulgaci\u00f3n de informaci\u00f3n en UEFI o BIOS Preboot Environment"}], "id": "CVE-2021-21556", "lastModified": "2024-11-21T05:48:35.470", "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": "LOCAL", "availabilityImpact": "LOW", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 0.6, "impactScore": 5.5, "source": "security_alert@emc.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-14T19:15:08.353", "references": [{"source": "security_alert@emc.com", "tags": ["Vendor Advisory"], "url": "https://www.dell.com/support/kbdoc/000187958"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.dell.com/support/kbdoc/000187958"}], "sourceIdentifier": "security_alert@emc.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security_alert@emc.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}