Directory traversal vulnerability in Zoho ManageEngine SupportCenter Plus 7.90 allows remote authenticated users to write to arbitrary files via a .. (dot dot) in the component parameter in the Request component to workorder/Attachment.jsp.
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.