The GetResource servlet in Pentaho Business Analytics (BA) Suite 4.5.x, 4.8.x, and 5.0.x through 5.2.x and Pentaho Data Integration (PDI) Suite 4.3.x, 4.4.x, and 5.0.x through 5.2.x does not restrict access to files in the pentaho-solutions/system folder, which allows remote attackers to obtain passwords and other sensitive information via a file name in the resource parameter.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.