There is a command injection vulnerability in CMA service module of FusionCompute product when processing the default certificate file. The software constructs part of a command using external special input from users, but the software does not sufficiently validate the user input. Successful exploit could allow the attacker to inject certain commands to the system. Affected product versions include: FusionCompute 6.0.0, 6.3.0, 6.3.1, 6.5.0, 6.5.1, 8.0.0.