The web server in Cogent DataHub 7.1.1.63 and earlier allows remote attackers to obtain the source code of executable files via a request with a trailing (1) space or (2) %2e (encoded dot).
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-3465
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-03.pdf