Award of the first Combat Action Badges started on 18 Sept. 2001 to a date to be determined. Award for qualifying service in any previous conflict is not authorized.
So, until this has an end date and a new start date begins, no one can get a second award of the Badge.
The Regulation trumps a mistake in paperwork giving him a second award. I would even bet, his orders for the second award of the CAB says doesn't give him a Star.