{"id":"CVE-2015-4316","aliases":["EUVD-2015-4339","GHSA-2mgc-vc9w-hfw7"],"status":"published","title":"The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video...","description":"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.","severity":{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01889,"percentile":0.79691,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2015-08-20T10:00:00Z","modified":"2026-06-17T00:27:05Z","products":[{"vendor":"cisco","product":"telepresence_video_communication_server_software"}],"references":[{"url":"http://www.securityfocus.com/bid/76353","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=40445","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1033282","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-4316"},{"url":"https://github.com/advisories/GHSA-2mgc-vc9w-hfw7"}],"sources":{"cve":[{"id":"CVE-2015-4316","description":"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.","status":"published","published":"2015-08-20T10:00:00Z","modified":"2024-08-06T06:11:12.689Z","updated_at":"2026-11-02T14:35:43.322279Z"}],"euvd":[{"id":"EUVD-2015-4339","description":"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.","status":"published","published":"2015-08-20T10:00:00Z","modified":"2024-08-06T06:11:12Z","updated_at":"2026-11-03T02:22:04.533858Z"}],"ghsa":[{"id":"GHSA-2mgc-vc9w-hfw7","title":"The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video...","description":"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.","status":"published","published":"2022-05-17T00:51:27Z","modified":"2023-02-03T05:02:40Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:12.750573Z"}],"nvd":[{"id":"CVE-2015-4316","description":"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.","status":"published","published":"2015-08-20T10:59:07.903Z","modified":"2026-06-17T00:27:05.39Z","cvss":[{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:08.998581Z"}]}}