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A malicious actor with network positioning between vCenter Server and an update repository may be able to perform a session hijack when the vCenter Server Appliance Management Interface is used to download vCenter updates."},{"lang":"es","value":"VMware vCenter Server (versiones 6.7 anteriores a 6.7u3, versiones 6.6 anteriores a 6.5u3k), contiene una vulnerabilidad de secuestro de sesión en la función de actualización de la vCenter Server Appliance Management Interface debido a la falta de comprobación del certificado. Un actor malicioso con posicionamiento de red entre vCenter Server y un repositorio de actualizaciones puede ser capaz de realizar un secuestro de sesión cuando la vCenter Server Appliance Management Interface es usado para descargar actualizaciones de vCenter"}],"id":"CVE-2020-3994","lastModified":"2026-06-17T03:19:23.880","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","version":"2.0"},"exploitabilityScore":8.6,"impactScore":4.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"exploitabilityScore":2.2,"impactScore":5.2,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-10-20T17:15:12.967","references":[{"source":"security@vmware.com","tags":["Patch","Vendor Advisory"],"url":"https://www.vmware.com/security/advisories/VMSA-2020-0023.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://www.vmware.com/security/advisories/VMSA-2020-0023.html"}],"sourceIdentifier":"security@vmware.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-295"}],"source":"nvd@nist.gov","type":"Primary"}]}