CVE-2021-34571

MEDIUM

Enbra EWM - Use of Hard-coded Credentials in Security Mode 5

Title source: llm

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 (1)

Core 1

Core References

Third Party Advisory x_refsource_confirm

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

Scores

CVSS v3 6.5

EPSS 0.0022

EPSS Percentile 12.2%

Attack Vector ADJACENT_NETWORK

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

Details

CWE

CWE-798

Status published

Products (1)

enbra/ewm 1.7.29

Published Sep 16, 2021

Tracked Since Feb 18, 2026