Vulnerability Monitor

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CVE-2011-2561

The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990.

Published

2011-08-29T15:55:01.220

Last Modified

2025-04-11T00:51:21.963

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-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco unified_communications_manager 7.0\(1\)su1 Yes
Application cisco unified_communications_manager 7.0\(1\)su1a Yes
Application cisco unified_communications_manager 7.0\(2\) Yes
Application cisco unified_communications_manager 7.0\(2a\) Yes
Application cisco unified_communications_manager 7.0\(2a\)su1 Yes
Application cisco unified_communications_manager 7.0\(2a\)su2 Yes
Application cisco unified_communications_manager 7.1\(2a\) Yes
Application cisco unified_communications_manager 7.1\(2a\)su1 Yes
Application cisco unified_communications_manager 7.1\(2b\) Yes
Application cisco unified_communications_manager 7.1\(2b\)su1 Yes
Application cisco unified_communications_manager 7.1\(3\) Yes
Application cisco unified_communications_manager 7.1\(3a\) Yes
Application cisco unified_communications_manager 7.1\(3a\)su1 Yes
Application cisco unified_communications_manager 7.1\(3a\)su1a Yes
Application cisco unified_communications_manager 7.1\(3b\) Yes
Application cisco unified_communications_manager 7.1\(3b\)su1 Yes
Application cisco unified_communications_manager 7.1\(3b\)su2 Yes
Application cisco unified_communications_manager 7.1\(5\) Yes
Application cisco unified_communications_manager 7.1\(5\)su1 Yes
Application cisco unified_communications_manager 7.1\(5\)su1a Yes
Application cisco unified_communications_manager 7.1\(5a\) Yes
Application cisco unified_communications_manager 7.1\(5b\) Yes
Application cisco unified_communications_manager 7.1\(5b\)su1 Yes
Application cisco unified_communications_manager 7.1\(5b\)su1a Yes
Application cisco unified_communications_manager 7.1\(5b\)su2 Yes
Application cisco unified_communications_manager 7.1\(5b\)su3 Yes
Application cisco unified_communications_manager 8.0 Yes
References