How severe is CVE-2007-5640?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.1 out of 10.

What type of vulnerability is CVE-2007-5640?

This is classified as NVD-CWE-Other, which is a common weakness in software security.

CVE-2007-5640 - HIGH Severity | CVSS 7.1

Vulnerability Description

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. NOTE: the attack is more disruptive if a new spoofed resume message is sent after each re-registration.

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