The recommended way to get CC-CEDICT is to download the latest release version through the MDBG dictionary website:
The latest non-verified version of CC-CEDICT can be downloaded for editing and reviewing purposes in the following formats:
It more or less means that you are allowed to use this data for both non-commercial and commercial purposes provided that you:
mention where you got the data from (attribution)
and that in case you improve / add to the data you will share these changes under the same license (share alike).