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
2007-10-19	CVE-2007-5591	Remote Denial of Service vulnerability in Nortel CS1000 ELAN The CS1000 signaling server in Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, Enterprise VoIP-Core-CS 1000E and 1000S, Meridian-Core-Option 11C Chassis and Cabinet, and Meridian-Core-Option 51C, 61C, and 81C allows remote attackers to cause a denial of service (telephony application outage) via a flood of packets to Embedded LAN (ELAN) ports. network low complexity nortel	7.8