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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:xenapp:6.5.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "C455A80D-45E2-4963-981D-610D9C24391C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Citrix XenApp 6.5, when 2FA is enabled, allows a remote unauthenticated attacker to ascertain whether a user exists on the server, because the 2FA error page only occurs after a valid username is entered. NOTE: This vulnerability only affects products that are no longer supported by the maintainer"}, {"lang": "es", "value": "** VERSI\u00d3N NO COMPATIBLE CUANDO SE ASIGN\u00d3 ** Citrix XenApp versi\u00f3n 6.5, cuando 2FA est\u00e1 habilitado, permite a un atacante remoto no autenticado determinar si existe un usuario en el servidor, porque la p\u00e1gina de error 2FA solo se produce despu\u00e9s de ingresar un nombre de usuario v\u00e1lido. NOTA: Esta vulnerabilidad s\u00f3lo afecta a los productos que ya no son apoyados por el mantenedor"}], "id": "CVE-2020-13998", "lastModified": "2024-05-17T01:42:44.323", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-11T02:15:10.713", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gist.github.com/kampji/11e259d68ad98a6f0f898132f1961a96"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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