To dream that you have a cut suggests that you are being let down or being undermined. Alternatively, it refers to feminine sexuality and feminine attitudes toward sex. In particular, if the cuts are on your legs, then it symbolises an imbalance. You are unable to stand up for yourself.
To dream that you are cutting yourself indicates that you are experiencing some overwhelming turmoil or problems in your waking life. You are trying to disconnect yourself from the unbearable pain you are experiencing.
To dream that someone else is being cut suggests that you are trying to understand this person on some level. You want them to open up to you. If you dream that someone is cutting you, then it is symbolic of masculine aggression.
To see cut marks on a wall refers to your desires to break free from some obligation or relationship.