Cifs share permissions can be retrieved with the use of API-S with the following link within API-S
https://ipofapisserver:8443/#!/ontap5460/getAllCIFSShareAcls
Here you would be able to filter on different options.
The request command is :
https://ipofapisserver:8443/api/5.0/ontap/cifs-share-acls
where a output of will be shown of the shares and permissions