A security issue has been reported in Apache, which may allow malicious people to bypass configured access controls.
The problem is reportedly caused due to an error within the merging of the "Satisfy" directive.
The issue only affects version 2.0.51.
SOFTWARE:
Apache 2.0.x
SOLUTION:
The security issue has been fixed in version 2.0.52-dev.
Apache Week
http://community.securityteam.us/article.php/20040923092729158