{"affected":[{"affectedData":[{"product":"Integrated Dell Remote Access Controller (iDRAC)","vendor":"Dell","versions":[{"lessThan":"4.40.10.00","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"security_alert@emc.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"33E8B56C-2459-4416-9AD7-E450D0A33222","versionEndExcluding":"4.40.10.00","versionStartIncluding":"4.40.00.00","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Dell EMC iDRAC9 versions 4.40.00.00 and later, but prior to 4.40.10.00, contain an improper authentication vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain access to the virtual console."},{"lang":"es","value":"Dell EMC iDRAC9 versiones 4.40.00.00 y posteriores, pero anteriores a 4.40.10.00, contienen una vulnerabilidad de autenticación inapropiada. Un atacante no autenticado remoto podría explotar potencialmente esta vulnerabilidad para conseguir acceso a la consola virtual"}],"id":"CVE-2021-21538","lastModified":"2026-06-17T03:35:44.390","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":7.5,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L","version":"3.1"},"exploitabilityScore":2.8,"impactScore":6.0,"source":"security_alert@emc.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10.0,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":6.0,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-07-29T16:15:08.693","references":[{"source":"security_alert@emc.com","tags":["Patch","Vendor Advisory"],"url":"https://www.dell.com/support/kbdoc/000186420"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://www.dell.com/support/kbdoc/000186420"}],"sourceIdentifier":"security_alert@emc.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-287"}],"source":"security_alert@emc.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-287"}],"source":"nvd@nist.gov","type":"Primary"}]}