Vulnerability Monitor

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CVE-2007-4459

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.

Published

2007-08-21T21:17:00.000

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
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Hardware cisco voip_phone_cp-7940 ≤ 8.70 Yes
Hardware cisco voip_phone_cp-7940 3.0 Yes
Hardware cisco voip_phone_cp-7940 3.1 Yes
Hardware cisco voip_phone_cp-7940 3.2 Yes
Hardware cisco voip_phone_cp-7940 8.6 Yes
Hardware cisco voip_phone_cp-7960 ≤ 8.70 Yes
References