Tele Data Contact Management Server Directory Traversal Vulnerability

The host is running Tele Data Contact Management Server and is prone to directory traversal vulnerability.
Successful exploitation will allow attacker to obtain sensitive information that could aid in further attacks. Impact Level: Application
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
The flaw is due to improper validation of URI containing '%5c..' sequences, which allows attackers to read arbitrary files via directory traversal attacks.
Tele Data Contact Management Server version 1.1