Server Patch 21.3.3.18468

March 21, 2022

If you are using FileCloud 21.3, you may directly upgrade from the FileCloud admin portal.

If you are using an earlier version of FileCloud, you must perform a complete upgrade. 
Complete upgrade instructions:
Windows: Upgrade using Update Tool (Windows Only)
Linux: Run the LINUX Upgrade Script

Patch 21.3.3.18468 fixes this issue.
Server2FACL-11029A vulnerability enabled  authenticated users to change phone numbers of other users whose userids were known to them. This has been fixed.