nginx 0.8 before 0.8.40 and 0.7 before 0.7.66, when running on Windows, allows remote attackers to obtain source code or unparsed content of arbitrary files under the web document root by appending ::$DATA to the URI.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-2275
http://www.securityfocus.com/bid/40760
http://www.exploit-db.com/exploits/13822
http://www.exploit-db.com/exploits/13818
http://spa-s3c.blogspot.com/2010/06/full-responsible-disclosurenginx-engine.html