Which preposition to use with vulnerability

of Occurrences 2%

The great force of the German Château-Thierry offensive established the deep Marne salient, but the enemy was taking chances, and the vulnerability of this pocket to attack might be turned to his disadvantage.

by Occurrences 1%

THE SKIN The skin is influenced in its color, moisture, hairiness, texture, fat content and disease vulnerability by the endocrines.

Which preposition to use with  vulnerability