CVE-2021-27499: Ypsomed Mylife

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Ypsomed mylife Cloud, mylife Mobile Application, Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5,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.

Affected products

• Ypsomed Mylife: before 1.7.5 (fixed in 1.7.5)
• Ypsomed Mylife Cloud: before 1.7.2 (fixed in 1.7.2)

Published 2021-08-02. Last modified 2026-06-17.