Cisco Tivoli Business Service Manager (TBSM) in Hosted Collaboration Mediation (HCM) in Cisco Hosted Collaboration Solution allows remote attackers to cause a denial of service (temporary service hang) by sending many TCP packets to certain ports, aka Bug ID CSCue03703.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-1214
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1174