High

DATE	CVE	VULNERABILITY TITLE	RISK
2007-10-23	CVE-2007-5640	Remote Denial of Service vulnerability in Nortel UNIStim IP Phone The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), Mobile Voice Client, and other product lines, allow remote attackers to block calls and force re-registration via a resume message to the Signaling Server that has a spoofed source IP address for the phone. network nortel	7.1