{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T03:35:55.810","vulnerabilities":[{"cve":{"id":"CVE-2021-21539","sourceIdentifier":"security_alert@emc.com","published":"2021-04-30T21:15:08.707","lastModified":"2024-11-21T05:48:33.110","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface."},{"lang":"es","value":"Dell EMC iDRAC9 versiones anteriores a 4.40.00.00, contiene una vulnerabilidad de condición de carrera Time-of-check Time-of-use (TOCTOU). Un atacante autenticado remoto podría explotar potencialmente esta vulnerabilidad para alcanzar privilegios elevados cuando un usuario con privilegios más elevados accede simultáneamente a iDRAC a través de la interfaz web."}],"metrics":{"cvssMetricV31":[{"source":"security_alert@emc.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":1.2,"impactScore":4.7},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:H/Au:S/C:P/I:P/A:P","baseScore":4.6,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-367"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"4.40.00.00","matchCriteriaId":"5E9ED974-1468-4B8B-B82E-5E0340C2601B"}]}]}],"references":[{"url":"https://www.dell.com/support/kbdoc/000185293","source":"security_alert@emc.com","tags":["Vendor Advisory"]},{"url":"https://www.dell.com/support/kbdoc/000185293","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}