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.
CPE | Name | Operator | Version |
---|---|---|---|
telepresence_video_communication_server_software | eq | 8.5.2120 |