It really depends on how you configure HTMLEditor. If you set the editor to allow File Upload, you will also need to configure the security tab of the HTMLEditor site settings.
on the security tab, you have the option to set a security assist user level that will be required to gain access to the file manager.
For All of the effected products, there is a known issues download patch available in the known issues section of the download center.
the effected products where the solution packs that used HTML Editor.