Vulnerabilities > Nortel > IP Phone 2002
| 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 |
| 2007-10-23 | CVE-2007-5639 | Denial of Service vulnerability in Nortel IP Phones UNIStim Messages The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets products allow remote attackers to cause a denial of service (device hang) via a flood of Mute and UnMute messages that have a spoofed source IP address for the Signaling Server. network nortel | 7.1 |
| 2007-10-23 | CVE-2007-5638 | Information Exposure vulnerability in Nortel products The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), and other product lines, use only 65536 different values in the 32-bit ID number field of an RUDP datagram, which makes it easier for remote attackers to guess the RUDP ID and spoof messages. | 4.3 |
| 2007-10-23 | CVE-2007-5637 | Information Exposure vulnerability in Nortel products The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), and other product lines allow remote attackers to eavesdrop on the physical environment via an Open Audio Stream message that enables "surveillance mode." NOTE: issues relating to a small ID number space can be leveraged to make this attack easier. | 4.3 |