CVE-2007-5639 describes a denial-of-service vulnerability affecting various Nortel UNIStim IP Softphone, IP Phone, Mobile Voice Client, and WLAN Handset products. Remote attackers can exploit this by sending a flood of spoofed Mute and UnMute messages, causing the affected device to hang. With a CVSS score of 7.1, this vulnerability is considered high severity due to its network-based attack vector and complete availability impact, though it requires medium attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:nortel:ip_softphone_2050:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:nortel:mobile_voice_client_2050:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.