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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:telepresence_video_communication_server_software:x8.5.2:*:*:*:expressway:*:*:*", "matchCriteriaId": "E549E37F-3D1A-490B-8BEE-482D082486EA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly validates the phone line used for registration, which allows remote authenticated users to conduct impersonation attacks via a crafted registration, aka Bug ID CSCuv40396."}, {"lang": "es", "value": "Vulnerabilidad en la funcionalidad Mobile and Remote Access (MRA) endpoint-validation en Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2, valida incorrectamente la l\u00ednea de tel\u00e9fono utilizada para el registro, lo que permite a usuarios remotos autenticados llevar a cabo ataques de suplantaci\u00f3n a trav\u00e9s de un registro manipulado, tambi\u00e9n conocida como Bug ID CSCuv40396."}], "id": "CVE-2015-4316", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-08-20T10:59:07.903", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40445"}, {"source": "psirt@cisco.com", "url": "http://www.securityfocus.com/bid/76353"}, {"source": "psirt@cisco.com", "url": "http://www.securitytracker.com/id/1033282"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40445"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/76353"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1033282"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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