cpe:/a:cisco:unified_communications_manager:10.5%282.10000.5%29 cpe:/a:cisco:unified_communications_manager:11.5%281.10000.6%29 cpe:/a:cisco:unified_communications_manager:12.0%281.10000.10%29 cpe:/a:cisco:unified_communications_manager:12.5%281.10000.22%29 CVE-2019-1887 2019-07-05T22:15:11.090-04:00 2019-10-09T19:48:26.410-04:00 5.0 NETWORK LOW NONE NONE NONE PARTIAL http://nvd.nist.gov CISCO 20190703 Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability 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.