The workaround provided to fix the AWStats flaw in versions 6.2 and below fails to properly block remote command execution.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36177/rt-sa-2005-006.txt
Source: https://packetstormsecurity.com/files/36177/rt-sa-2005-006.txt.html