ILIAS 7 before 7.30 and ILIAS 8 before 8.11 as well as ILIAS 9.0 allow remote authenticated attackers with administrative privileges to execute operating system commands via file uploads with dangerous types.
The workflow-engine of ILIAS before 7.23 and 8 before 8.3 allows remote authenticated users to run arbitrary system commands on the application server as the application user by uploading a workflow definition file with a malicious filename.