CVE-2021-34571: Enbra Ewm

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM.

Affected products

• Enbra Ewm: version 1.7.29 only

Published 2021-09-16. Last modified 2026-06-17.