Cumulative Update 2 for System Center Configuration Manager 2012 SP1 has been released http://support.microsoft.com/kb/2854009
After upgrading to System Center Configuration Manager 2012 SP1 CU2, you will be able to identify the update in many different ways.
First let us take a look at the console, after the update the console reports version 5.0.7804.1300
The console reported version 5.0.7804.1202 before updating which is CU1.
The Console update is also listed in Control Panel as an Installed Update.
The site will still report version 5.00.7804.1000 after the update.
In order to check if the update has been applied we must look in the registry.
CULevel reports 2 after CU2 has been applied.
Before updating CULevel reported 1.
This update is also visible under Installed Updates in Control Panel.
And finally the client will report 5.00.7804.1300 after the client has been updated.
Before updating the client reported 5.00.7804.1202
CU2 also seems to includes this update for SCEP http://support.microsoft.com/kb/2828233
Which means that scepinstall.exe file in the ConfigMgr install folder “.Program FilesConfiguration ManagerClient” will be updated to version 188.8.131.52