The Cisco Unified IP Phone 7960G 9.2(1) and earlier allows remote attackers to bypass authentication and change trust relationships by injecting a Certificate Trust List (CTL) file, aka Bug ID CSCuj66795.
http://tools.cisco.com/security/center/viewAlert.x?alertId=32957
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0737