CVE-2013-1133

Name of the Vulnerable Software and Affected Versions Cisco Unified Communications Manager (CUCM) versions 8.6 through 8.6(2a)su1 Cisco Unified Communications Manager (CUCM) 8.6 BE3k versions 8.6 through 8.6(3) BE3k Cisco Unified Communications Manager (CUCM) 9.x versions 9.0 through 9.0(0)

Description The issue allows remote attackers to cause a denial of service, resulting in CPU consumption and outages of the GUI and voice services, by sending malformed packets to unused UDP ports.

Recommendations For Cisco Unified Communications Manager (CUCM) versions 8.6 through 8.6(2a)su1, update to version 8.6(2a)su2 or later. For Cisco Unified Communications Manager (CUCM) 8.6 BE3k versions 8.6 through 8.6(3) BE3k, update to version 8.6(4) BE3k or later. For Cisco Unified Communications Manager (CUCM) 9.x versions 9.0 through 9.0(0), update to version 9.0(1) or later.