BMC Control-M branches 9.0.20 and 9.0.21 upon user login load all Dynamic Link Libraries (DLL) from a directory that grants Write and Read permissions to all users. Leveraging it leads to loading of a potentially malicious libraries, which will execute with the application's privileges. Fix for 9.0.20 branch was released in version 9.0.20.238. Fix for 9.0.21 branch was released in version 9.0.21.201.