If you previously applied Hot Fix P7Z001 for SAS^® Studio 3.83, for additional security, remove the following files based on your deployment:

• SAS Studio Single-User: <config-dir>\SASStudioSingleUser\3.83\war\WEB-INF\lib\commons-beanutils.jar 
• SAS Studio Basic: <SASHome>/SASStudioBasic/3.83/war/WEB-INF/lib/commons-beanutils.jar