How to print drupal module version with drush 6.5.0
You can use the following command to check all the info about a module. For this command is :

drush pmi module_name


This command provide info like this :

Extension        :  module_name                                                                         
 Project          :  module_name                                                                         
 Type             :  module                                                                                
 Title            :  module_name                                                                         
 Description      :  Improves Drupal's login system.                                                       
 Version          :  7.x-1.5                                                                               
 Date             :  2015-05-01                                                                            
 Package          :  Other                                                                                 
 Core             :  7.x                                                                                   
 PHP              :  5.2.4                                                                                 
 Status           :  enabled                                                                               
 Path             :  sites/all/modules/module_name                                                       
 Schema version   :  7000                                                                                  
 Files            :  none                                                                                  
 Requires         :  none                                                                                  
 Required by      :  module_name
 Permissions      :  none                                                                                  
 Configure        :  admin/config/system/module_name