An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability [CWE-22] in FortiWeb version 7.6.2 and below, version 7.4.6 and below, 7.2 all versions, 7.0 all versions endpoint may allow an authenticated admin to access and modify the filesystem via crafted requests.
Solution:
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.