Authentication is not required to exploit this vulnerability.
The specific flaw exists within how the application utilizes a bundled component for rendering graphs. The application will pass user-supplied arguments to this component without proper sanitization. An attacker can abuse this to specify arbitrary arguments to this tool. Successful exploitation will lead to code execution in the context of the graph component application.
Disclosure Timeline:
2010-02-02 - Vulnerability reported to vendor
2010-09-15 - Coordinated public release of advisory