CVE-2021-34571

Hard-coded Credentials in Enbra Wireless M-Bus devices

State: Published
Severity: 6.5 Medium
Published: Sep 16, 2021
Updated: Sep 16, 2024
Reserved: Jun 10, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CERTVDE

Weaknesses

CWE-798 Use of Hard-coded Credentials

Affected Products

Product	Versions
AT-WMBUS-16-2Enbra	allUnknown
ER-AM DN 15Enbra	ER-AM DN 15/SV allUnknown ER-AM DN 15/TV allUnknown
EWM 1.7.29Enbra	03.11.2019Affected

References

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

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