An issue was discovered in Hyland OnBase through 18.0.0.32 and 19.x through 19.8.9.1000. Directory traversal exists for writing to files, as demonstrated by the FileName parameter.
An issue was discovered in Hyland OnBase 16.0.2.83 and below, 17.0.2.109 and below, 18.0.0.37 and below, 19.8.16.1000 and below and 20.3.10.1000 and below. Client applications can write arbitrary data to the server logs.