ClickShare undergoes frequent penetration testing by both internal and external parties.  During such a penetration test, a vulnerability was discovered. If exploited, this issue could allow an administrator or someone with physical access to execute commands on the device. This vulnerability, identified as CVE-2024-53919, impacts the Base Units of the following devices: ClickShare C-5 and C-10, ClickShare CX-20 and CX-30, and ClickShare Bar Pro and Core. The ClickShare Buttons or other models such as CS(E), CX-50 and CX-50 2nd Gen, are not affected.  To address this issue, Barco developed a security patch: firmware version 2.21.1. Barco strongly encourage all customers to update their devices as soon as possible. This update is critical, and downgrading below version 2.21.1 will not be possible. If your firmware updates are set to automatic, you do not have to take additional actions. If not, you can update your devices here.