CVE-2021-27499

Name of the Vulnerable Software and Affected Versions Ypsomed mylife Cloud versions prior to 1.7.2 Ypsomed mylife App versions prior to 1.7.5

Description The application layer encryption of the communication protocol between the Ypsomed mylife App and mylife Cloud uses non-random IVs, which allows man-in-the-middle attackers to tamper with messages.

Recommendations For Ypsomed mylife Cloud versions prior to 1.7.2, update to version 1.7.2 or later to resolve the issue. For Ypsomed mylife App versions prior to 1.7.5, update to version 1.7.5 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data exchanged between the Ypsomed mylife App and mylife Cloud until the update is applied.