Vulnerability Database

289,599

Total vulnerabilities in the database

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: Jul 6, 2019
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-1887
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
cisco / unified_communications_manager 11.5(1.10000.6) 11.5(1.10000.6).x
cisco / unified_communications_manager 10.5(2.10000.5) 10.5(2.10000.5).x
cisco / unified_communications_manager 12.0(1.10000.10) 12.0(1.10000.10).x
cisco / unified_communications_manager 12.5(1.10000.22) 12.5(1.10000.22).x