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vuln-nvd/data/2021/CVE-2021-21557.json
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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 System Management Mode."},{"lang":"es","value":"Dell PowerEdge Server BIOS y select Dell Precision Rack BIOS contienen una vulnerabilidad de acceso a la matriz fuera de límites. Un usuario local malicioso con privilegios elevados puede explotar potencialmente esta vulnerabilidad, conllevando una denegación de servicio, ejecución de código arbitrario o divulgación de información en el Modo de Administración del Sistema"}],"id":"CVE-2021-21557","lastModified":"2026-06-17T03:35:46.543","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":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L","version":"3.1"},"exploitabilityScore":1.5,"impactScore":6.0,"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":"2021-06-14T19:15:08.497","references":[{"source":"security_alert@emc.com","tags":["Patch","Vendor Advisory"],"url":"https://www.dell.com/support/kbdoc/000187958"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://www.dell.com/support/kbdoc/000187958"}],"sourceIdentifier":"security_alert@emc.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"security_alert@emc.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-125"}],"source":"nvd@nist.gov","type":"Primary"}]}