In CKSource CKFinder before 2.5.0.1 for ASP.NET, authenticated users could download any file from the server if the correct path to a file was provided.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-20023.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "2.5.0.1" } ] } ]