CVE-2007-5639 - CVE House
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Status published High CVE-2007-5639

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2008-6577
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CVE-2008-6576
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CVE-2008-6564
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Affected Vendor

Affected Software

ip softphone 2050, mobile voice client 2050
Vulnerable Versions:
Unknown

Timeline

Official Publish: October 23rd, 2007
Last Modified: August 7th, 2024
Added to House: July 18th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.