Vulnerabilities > Nortel > IP Softphone 2050 > High
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 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-2007-5636 | Improper Restriction of Operations Within the Bounds of A Memory Buffer vulnerability in Nortel IP Softphone 2050 Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka "extraneous messaging." | 7.5 |