Directory traversal vulnerability in pdesk.cgi in PerlDesk allows remote attackers to read portions of arbitrary files and possibly execute arbitrary Perl modules via ".." sequences terminated by a %00 (null) character in the lang parameter, which can leak portions of the requested files if a compilation error message occurs.
https://exchange.xforce.ibmcloud.com/vulnerabilities/19712
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-1672
http://www.securityfocus.com/bid/11160