Unspecified vulnerability in NEC WebSAM DeploymentManager 5.13 and earlier, as used in SigmaSystemCenter 2.1 Update2 and earlier, BladeSystemCenter, ExpressSystemCenter, and VirtualPCCenter 2.2 and earlier, allows remote attackers to cause a denial of service (OS shutdown or restart) via unknown vectors related to Client Service for DPM and crafted packets to port 56010.