Cisco CallManager (CCM) 3.2 and earlier 3.3 before 3.3(5) 4.0 before 4.0(2a)SR2b and 4.1 4.1 before 4.1(3)SR1 does not quickly time out Realtime Information Server Data Collection (RISDC) sockets which results in a \resource leak\ that allows remote attackers to cause a denial of service (memory and connection consumption) in RisDC.exe.