Vulnerability Monitor

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CVE-2019-1887

A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service.

Published

2019-07-06T02:15:11.090

Last Modified

2024-11-21T04:37:37.050

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-787
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco unified_communications_manager 10.5\(2.10000.5\) Yes
Application cisco unified_communications_manager 11.5\(1.10000.6\) Yes
Application cisco unified_communications_manager 12.0\(1.10000.10\) Yes
Application cisco unified_communications_manager 12.5\(1.10000.22\) Yes
References