CVE-2015-0600
The mobility extension on Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier allows remote attackers to cause a denial of service (logoff) via crafted packets, aka Bug ID CSCuq12139.
Date published : 2015-02-07
http://www.securityfocus.com/bid/72481
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0600