Cisco Unified Videoconferencing (UVC) System 3545, 5110, 5115, and 5230; Unified Videoconferencing 3527 Primary Rate Interface (PRI) Gateway; Unified Videoconferencing 3522 Basic Rate Interfaces (BRI) Gateway; and Unified Videoconferencing 3515 Multipoint Control Unit (MCU) improperly use cookies for web-interface credentials, which allows remote attackers to obtain sensitive information by reading a (1) cleartext or (2) base64-encoded cleartext cookie, aka Bug ID CSCti54052.