There is a path traversal vulnerability in Esri ArcGIS Server versions 10.9.1 and below. Successful exploitation may allow a remote, unauthenticated attacker traverse the file system to access files outside of the intended directory on ArcGIS Server. This could lead to the disclosure of sensitive site configuration information (not user datasets).
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
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.