Ozeki SMS Gateway versions up to and including 10.3.208 contain a path traversal vulnerability. Successful exploitation allows an unauthenticated attacker to use URL-encoded traversal sequences to read arbitrary files from the underlying filesystem with the privileges of the gateway service, leading to disclosure of sensitive information.
Improper Limitation of a Pathname to a Restricted 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.