Directory traversal vulnerability in the DisplayChartPDF servlet in ZOHO ManageEngine Netflow Analyzer 8.6 through 10.2 and IT360 10.3 allows remote attackers and remote authenticated users to read arbitrary files via a .. (dot dot) in the filename parameter.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.