CVE-2021-34571

medium

Description

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.

References

https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.en

Details

Source: Mitre, NVD

Published: 2021-09-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 2.9

Vector: CVSS2#AV:A/AC:M/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00044