The Message Engine RPC service in CA BrightStor ARCServe BackUp v9.01 through R11.5, and Enterprise Backup r10.5, allows attackers to execute arbitrary code by using certain "insecure method calls" to modify the file system and registry, aka "Privileged function exposure."
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.