This method doesn't require cvs at all. Instead, a python script called cvs2svn is needed.
using project "rltiles" as example:
# download cvs repo
rsync -av rsync://rltiles.cvs.sourceforge.net/cvsroot/rltiles/\* rltiles-cvs
# convert to svn repo
cvs2svn -s rltiles-svn rltiles-cvs/rltiles
# convert to git repo
git svn clone --no-metadata --stdlayout file://`pwd`/rltiles-svn/ rltiles-git