Microsoft .NET Framework Chart Control Information Disclosure Vulnerability (2567943)

This host is missing an important security update according to Microsoft Bulletin MS11-066.
Successful exploitation could allow attacker to gain access to sensitive information that may aid in further attacks. Impact Level: Application
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link,
The flaw is due to an error in the ASP.NET Chart controls when encountering special characters within a URI. This can be exploited to read the contents of arbitrary files in the web site directory or subdirectories via a specially crafted GET request to a server hosting the Chart controls.
Microsoft .NET Framework 4.0 Microsoft Chart Control for .NET Framework 3.5 SP1