Description
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.
Metrics
CVSS 2.0 7.1/10
AV:N/AC:M/Au:N/C:N/I:N/A:CAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://securityreason.com/securityalert/3273
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=654715Patch
- http://www.csnc.ch/static/advisory/csnc/nortel_IP_phone_flooding_denial_of_service_v1.0.txtExploit
- http://www.securityfocus.com/archive/1/482480/100/0/threaded
- http://www.securityfocus.com/bid/26122Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37253
- http://securityreason.com/securityalert/3273
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=654715Patch
- http://www.csnc.ch/static/advisory/csnc/nortel_IP_phone_flooding_denial_of_service_v1.0.txtExploit
- http://www.securityfocus.com/archive/1/482480/100/0/threaded
- http://www.securityfocus.com/bid/26122Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37253
Timeline
- Published
- Oct 23, 2007
- Last modified
- Jun 16, 2026
- NVD status
- Modified