NOCC Webmail 1.0 stores e-mail attachments in temporary files with predictable filenames, which makes it easier for remote attackers to execute arbitrary code by accessing the e-mail attachment via directory traversal vulnerabilities.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-0896
http://www.securityfocus.com/bid/16793
http://securitytracker.com/id?1015671
http://secunia.com/advisories/16921
http://retrogod.altervista.org/noccw_10_incl_xpl.html
http://archives.neohapsis.com/archives/bugtraq/2006-02/0418.html