Cisco Unified Videoconferencing (UVC) System 5110 and 5115, when the Linux operating system is used, uses world-readable permissions for the /etc/shadow file, which allows local users to discover encrypted passwords by reading this file, aka Bug ID CSCti54043.
http://www.trustmatta.com/advisories/MATTA-2010-001.txt
http://www.cisco.com/en/US/products/products_security_response09186a0080b56d0d.html