To adjust for a tint with only 5% of the light getting through, you need an EV adjustment of +4.33.
Normally the auto exposure should take care of it, but that is rather dark, and the tint maybe causing contrast issues as well as just reduced light.
The camera is not going to work very well at night!
Can you post a video so that we can see the problem, I guess comparing rear and front, otherwise we can't judge what the light levels were?