More information : http://otrs.org/advisory/OSA-2008-01-en/
Suggested workaround by OTRS (other than upgrading to 2.2.6 / 2.1.8 :
As a workaround you can remove the file bin/cgi-bin/rpc.pl or update bin/cgi-bin/rpc.pl from cvs to version 1.6 (http://cvs.otrs.org/viewvc.cgi/otrs/bin/cgi-bin/rpc.pl).
More information : http:// otrs.org/ advisory/ OSA-2008- 01-en/
Suggested workaround by OTRS (other than upgrading to 2.2.6 / 2.1.8 :
As a workaround you can remove the file bin/cgi-bin/rpc.pl or cvs.otrs. org/viewvc. cgi/otrs/ bin/cgi- bin/rpc. pl).
update bin/cgi-bin/rpc.pl from cvs to version 1.6
(http://