From Longman Business Dictionary
catch-22catch-22 /ˌkætʃ twenti ˈtuː/ noun [uncountableU] a situation in which it seems impossible to make progress because you cannot do one thing until you have done another thing, but the second thing cannot happen until the first thing has happenedIt’s a catch-22 situation; without experience you can’t get a job and without a job you can’t get experience.