Combodo iTop is an open source, web-based IT service management platform. Prior to versions 2.7.8 and 3.0.2-1, a user who can log in on iTop is able to take over any account just by knowing the account's username. This issue is fixed in versions 2.7.8 and 3.0.2-1.
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.