Given the active voice is
We haven't paid any attention to that problem.
Should the passive construction be
That problem hasn't been paid any attention.
That problem hasn't been paid any attention to.
A search in Google Books has many hits on both sides, many of which authored by apparently non-native speakers. Be that as it may, there are also a lot of native speakers that use either one, e.g.:
These "group" differences are a critically important part of learning and have not been paid enough attention in thinking about pedagogy. (book)