There is a way to do this -- I just converted a large MS-Access db to Sybase ASE, using CFMX on Mac OS X.
However, it is a bit involved -- MS-Access runs only on win machines. The reason that noone has written a MS-Access driver for Linux, Unix, OS X, etc is that most all the logic of MS-Access is in the ODBC Driver, itself.
This means that you need to run win (real or emulated) to run MS-Access.
Then, you need 3rd-party software to interface non-win CFMX to the win MS-Access.
It is beyond the scope of this forum -- I plan to cover MS-Access and FileMaker in a later article.
Patience -- there is so much that we can now do, it is hard to prioritize.