The permission control module in Huawei Document Security Management (aka DSM) before V100R002C05SPC670 allows remote authenticated users to obtain sensitive information from encrypted documents by leveraging incorrect control of permissions on the PrintScreen button.

Huawei Document Security Management (DSM) with software before V100R002C05SPC661 does not clear the clipboard when closing a secure file, which allows local users to obtain sensitive information by pasting the contents to another file.