CVE-2017-6747

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The vulnerability is due to improper handling of authentication requests and policy assignment for externally authenticated users. An attacker could exploit this vulnerability by authenticating with a valid external user account that matches an internal username and incorrectly receiving the authorization policy of the internal account. An exploit could allow the attacker to have Super Admin privileges for the ISE Admin portal. This vulnerability does not affect endpoints authenticating to the ISE. The vulnerability affects Cisco ISE, Cisco ISE Express, and Cisco ISE Virtual Appliance running Release 1.3, 1.4, 2.0.0, 2.0.1, or 2.1.0. Release 2.2.x is not affected. Cisco Bug IDs: CSCvb10995."}, {"lang": "es", "value": "Una vulnerabilidad en el m\u00f3dulo de autenticaci\u00f3n de Cisco Identity Services Engine (ISE) podr\u00eda permitir que un atacante remoto sin autenticar omita la autenticaci\u00f3n local. Esto se debe a un manejo incorrecto de las peticiones de autenticaci\u00f3n y asignaci\u00f3n de pol\u00edticas para los usuarios autenticados externamente. Un atacante podr\u00eda explotar esta vulnerabilidad autentic\u00e1ndose con una cuenta v\u00e1lida de usuario externo que coincida con un nombre de usuario interno y recibiendo de forma err\u00f3nea la pol\u00edtica de autorizaci\u00f3n de la cuenta interna. Con un exploit, el atacante podr\u00eda tener privilegios de Super Admin para el portal ISE Admin. Esta vulnerabilidad no afecta a los extremos que se autentican en el ISE. Este problema afecta a Cisco ISE, Cisco ISE Express y los dispositivos virtuales de Cisco ISE que est\u00e9n en sus versiones 1.3, 1.4, 2.0.0, 2.0.1 o 2.1.0. La versi\u00f3n 2.2.x no se ha visto afectada. Cisco Bug IDs: CSCvb10995."}], "id": "CVE-2017-6747", "lastModified": "2026-06-17T01:22:57.627", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-08-07T06:29:00.357", "references": [{"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039054"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-ise"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039054"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-ise"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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