
Gellin has also published a proof-of-concept (PoC) code, which is an injectable C++ DLL, which leverages "naked inline hooking and direct memory modification to change TeamViewer permissions."

TeamViewer Hack Could Be Used By Anyone-Server Or Client However, a GitHub user named "Gellin" has disclosed a vulnerability in TeamViewer that could allow the client (sharing its desktop session) to gain control of the viewer's computer without permission.

For a remote session to work both computers-the client (presenter) and the server (viewer)-must have the software installed, and the client has to share a secret authentication code with the person he wants to share his desktop.
