OpenVPN Connect versions before 3.4.0.4506 (macOS) and OpenVPN Connect before 3.4.0.3100 (Windows) allows man-in-the-middle attackers to intercept configuration profile download requests which contains the users credentials
https://openvpn.net/vpn-server-resources/openvpn-connect-for-windows-change-log/
https://openvpn.net/vpn-server-resources/openvpn-connect-for-macos-change-log/