radexecd.exe in Persistent Systems Radia Client Automation (RCA) 7.9, 8.1, 9.0, and 9.1 allows remote attackers to execute arbitrary commands via a crafted request to TCP port 3465.

Persistent Systems Radia Client Automation does not properly restrict access to certain request, which allows remote attackers to (1) enumerate user accounts via a getUsers request, (2) assign a role to a user account via an addAssigneesToRole request, (3) remove a role from a user account via a removeAssigneesFromRole request, or (4) have other unspecified impact.