Worms don't have legs. Maybe it's a millipede?
http://www.ext.colostate.edu/pubs/insect/05552.html
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7472.html
Is your "worm" soft-skinned or does it have a hard outer shell?
If it's soft-skinned, maybe it's some kind of caterpillar other than a cutworm. My grandmother used to call any kind of caterpillar a "worm", LOL.