| CVE-2007-5639 | Date: (C)2007-10-23 (M)2023-12-22 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 7.1 |
| Exploit Score: 8.6 |
| Impact Score: 6.9 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: MEDIUM |
| Authentication: NONE |
| Confidentiality: NONE |
| Integrity: NONE |
| Availability: COMPLETE |
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