Vulnerability Monitor

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CVE-2007-5639

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.

Published

2007-10-23T17:46:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Hardware nortel ip_audio_conference_phone_2033 * No
Hardware nortel ip_phone_1110 * No
Hardware nortel ip_phone_1120e * No
Hardware nortel ip_phone_1140e * No
Hardware nortel ip_phone_1150e * No
Hardware nortel ip_phone_2001 * No
Hardware nortel ip_phone_2002 * No
Hardware nortel ip_phone_2004 * No
Hardware nortel wlan_handset_2210 * No
Hardware nortel wlan_handset_2211 * No
Hardware nortel wlan_handset_2212 * No
Hardware nortel wlan_handset_6120 * No
Hardware nortel wlan_handset_6140 * No
Application nortel ip_softphone_2050 * Yes
Application nortel mobile_voice_client_2050 * Yes
References