That's not CNN. Below is CNN's Ohio exit poll. It shows Bush won among men 52% to 47% and tied with 50% each among women.
http://www.cnn.com/ELECTION/2004/pag.../00/index.html
Here is CNN's exit poll for Florida. It shows Bush won among men 53% to 46% and among women 50% to 49%.
http://www.cnn.com/ELECTION/2004/pag.../00/index.html