Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2007-4459

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
21/08/2007
Last modified:
09/04/2025

Description

Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.

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:cisco:voip_phone_cp-7940:*:p0s3-08-6-00_firmware:*:*:*:*:*:* 8.70 (including)
cpe:2.3:h:cisco:voip_phone_cp-7940:3.0:p0s3-08-6-00_firmware:*:*:*:*:*:*
cpe:2.3:h:cisco:voip_phone_cp-7940:3.1:p0s3-08-6-00_firmware:*:*:*:*:*:*
cpe:2.3:h:cisco:voip_phone_cp-7940:3.2:p0s3-08-6-00_firmware:*:*:*:*:*:*
cpe:2.3:h:cisco:voip_phone_cp-7940:8.6:p0s3-08-6-00_firmware:*:*:*:*:*:*
cpe:2.3:h:cisco:voip_phone_cp-7960:*:p0s3-08-6-00_firmware:*:*:*:*:*:* 8.70 (including)

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


References to Advisories, Solutions, and Tools