Download and extract contents from the below zip file.
Adobe has released a security hot fix for RoboHelp Server 11 Update 1, and prior releases. This hotfix resolves an arbitrary code execution vulnerability that impacts users.
For more information, see Adobe Security bulletin (APSB21-87).
To resolve this issue, perform the following:
Prior to making any changes, make sure to take a backup of the WEB-INF folder and close all working instances of RoboHelp Server.