CVEvulnerability

CVE-2007-4459

7.1 HIGH Published 2007-08-21 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2007-08-21
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

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 configurations

• cisco voip phone cp-7940 (<= 8.70) • cisco voip phone cp-7940 3.0 • cisco voip phone cp-7940 3.1 • cisco voip phone cp-7940 3.2 • cisco voip phone cp-7940 8.6 • cisco voip phone cp-7960 (<= 8.70)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References