SAP Supplier Relationship Management (Master Data Management Catalog) allows an unauthenticated attacker to use a publicly available servlet to download an arbitrary file over the network without any user interaction. This can reveal highly sensitive information with no impact to integrity or availability.
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.