The hosts' relentless pressure eventually paid off with two quickfire goals before the hour mark, with Bonny contributing to both scores. Inter sealed the win with minimum fuss, but missed out on a clean sheet when Cremonese's Federico Bonazzoli scored a consolation goal in the 87th minute.
Despite the loss, Cremonese remains in eighth place after its first defeat of the season, while Inter moves into fourth place with its fifth consecutive victory.
Catch up on all the match stats here.