CVE-2021-27499

5.9 mediumEPSS 0.5%

Medium (5.9) in ypsomed. 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.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWEs: CWE-330, CWE-329
Published: 2021-08-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ypsomed:mylife
ypsomed:mylife_cloud

References

https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01
https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01

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