Unspecified vulnerability in the Service VM in Citrix NetScaler SDX 9.3 before 9.3-64.4 and 10.0 before 10.0-77.5 and Application Delivery Controller (ADC) 9.3.x before 9.3-64.4, 10.0 before 10.0-77.5, and 10.1 before 10.1-118.7 allows attackers to cause a denial of service via unknown vectors, related to the "Virtual Machine Daemon."