Directory traversal vulnerability in the NMS server in Alcatel-Lucent OmniVista 4760 R5.1.06.03 and earlier allows remote attackers to read arbitrary files via directory traversal sequences in HTTP GET requests, related to the lang variable.
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.