Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2007-5639

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/10/2007
Last modified:
09/04/2025

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

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:h:nortel:ip_audio_conference_phone_2033:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_1110:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_1120e:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_1140e:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_1150e:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_2001:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_2002:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:ip_phone_2004:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:wlan_handset_2210:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:wlan_handset_2211:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:wlan_handset_2212:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:wlan_handset_6120:*:*:*:*:*:*:*:*
cpe:2.3:h:nortel:wlan_handset_6140:*:*:*:*:*:*:*:*
cpe:2.3:a:nortel:ip_softphone_2050:*:*:*:*:*:*:*:*
cpe:2.3:a:nortel:mobile_voice_client_2050:*:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools