The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets products allow remote malicious users 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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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nortel ip_softphone_2050 |
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nortel mobile_voice_client_2050 |