CVE-2010-4304: Cisco Unified Videoconferencing System 3515 Multipoint Control Unit

Medium severity, CVSS 6.4. EPSS: 1.2% chance of exploitation in the next 30 days.

The web interface in 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) uses predictable session IDs based on time values, which makes it easier for remote attackers to hijack sessions via a brute-force attack, aka Bug ID CSCti54048.

Affected products

Cisco Unified Videoconferencing System 3515 Multipoint Control Unit
Cisco Unified Videoconferencing System 3515 Multipoint Control Unit Firmware: version 7.0.1.13.3 only
Cisco Unified Videoconferencing System 3522 Basic Rate Interface Gateway
Cisco Unified Videoconferencing System 3522 Basic Rate Interface Gateway Firmware: version 7.0.1.13.3 only
Cisco Unified Videoconferencing System 3527 Primary Rate Interface Gateway
Cisco Unified Videoconferencing System 3527 Primary Rate Interface Gateway Firmware: version 7.0.1.13.3 only
Cisco Unified Videoconferencing System 3545
Cisco Unified Videoconferencing System 3545 Firmware: version 7.0.1.13.3 only
Cisco Unified Videoconferencing System 5110
Cisco Unified Videoconferencing System 5110 Firmware: version 7.0.1.13.3 only
Cisco Unified Videoconferencing System 5115
Cisco Unified Videoconferencing System 5115 Firmware: version 7.0.1.13.3 only
Cisco Unified Videoconferencing System 5230
Cisco Unified Videoconferencing System 5230 Firmware: version 7.0.1.13.3 only

Published 2010-11-22. Last modified 2026-06-16.