CVE-2021-21992

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A malicious actor with non-administrative user access to the vCenter Server vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash) may exploit this issue to create a denial-of-service condition on the vCenter Server host."}, {"lang": "es", "value": "vCenter Server contiene una vulnerabilidad de denegaci\u00f3n de servicio debido al an\u00e1lisis incorrecto de entidades XML. Un actor malicioso con acceso de usuario no administrativo al vCenter Server vSphere Client (HTML5) o al vCenter Server vSphere Web Client (FLEX/Flash) puede explotar este problema para crear una condici\u00f3n de denegaci\u00f3n de servicio en el host de vCenter Server"}], "id": "CVE-2021-21992", "lastModified": "2026-06-17T03:36:31.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-22T19:15:09.733", "references": [{"source": "security@vmware.com", "tags": ["Vendor Advisory"], "url": "https://www.vmware.com/security/advisories/VMSA-2021-0020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.vmware.com/security/advisories/VMSA-2021-0020.html"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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