/usr/lib/cgi-bin/viewvc.cgi is in viewvc 1.1.5-1.4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/cgi-bin/../viewvc/cgi-bin/viewvc.cgi
/usr/lib/cgi-bin/../viewvc/cgi-bin/viewvc.cgi