Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a denial of service (service restart) via malformed SIP messages, aka Bug ID CSCsz95423.

SQL injection vulnerability in Cisco Unified CallManager/Communications Manager (CUCM) 5.0/5.1 before 5.1(3a) and 6.0/6.1 before 6.1(1a) allows remote authenticated users to execute arbitrary SQL commands via the key parameter to the (1) admin and (2) user interface pages.

The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.

Cisco Unified CallManager (CUCM) 5.0 before 5.0(4a)SU1 and Cisco Unified Presence Server (CUPS) 1.0 before 1.0(3) allow remote attackers to cause a denial of service (loss of voice services) via a flood of ICMP echo requests, aka bug ID CSCsf12698.

Unspecified vulnerability in the IPSec Manager Service for Cisco Unified CallManager (CUCM) 5.0 before 5.0(4a)SU1 and Cisco Unified Presence Server (CUPS) 1.0 before 1.0(3) allows remote attackers to cause a denial of service (loss of cluster services) via a "specific UDP packet" to UDP port 8500, aka bug ID CSCsg60949.

Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.

Unspecified vulnerability in the command line interface (CLI) in Cisco Unified CallManager (CUCM) 5.0(1) through 5.0(3a) allows local users to execute arbitrary commands with elevated privileges via unspecified vectors, involving "certain CLI commands," aka bug CSCse11005.

The command line interface (CLI) in Cisco Unified CallManager (CUCM) 5.0(1) through 5.0(3a) allows local users to overwrite arbitrary files by redirecting a command's output to a file or folder, aka bug CSCse31704.

Buffer overflow in Cisco Unified CallManager (CUCM) 5.0(1) through 5.0(3a) allows remote attackers to execute arbitrary code via a long hostname in a SIP request, aka bug CSCsd96542.