PI Version shows 0 even though applied PUM 17
The only environments that will give you factual information for the About PeopleSoft Image will be the actual images themselves.
Since fixes can be selectively applied, there isn't really any concept of being on a specific image. But there is a way to find out what we are looking for.
With the latest image , create a make me current Change Package. In step 5 where we review the bugs click on the Image Number column heading to sort by Image Number, Click again to sort in reverse order. You would be on the image version one below the lowest number shown.