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CVE-2007-4459

HIGH CVSS: 7.1 Published: 2007-08-21 Modified: 2026-06-16

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.

Affected Platforms

Cisco Voip Phone Cp-7940Cisco Voip Phone Cp-7960

Weakness Type

CWE-20

References