CVE-2021-34572

Published: Sep 16, 2021Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

Enbra EWM 1.7.29 does not check for or detect replay attacks sent by wireless M-Bus Security mode 5 devices. Instead timestamps of the sensor are replaced by the time of the readout even if the data is a replay of earlier data.

Affected (1)

Products: Enbra: Ewm

Enbra

1 product

Ewm

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Enbra Ewm	Version 1.7.29

Related CWEs

CWE-345

Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

References (2)

https://www.fit.vutbr.cz/~polcak/CVE-2021-34572.en

Source: info@cert.vde.com

Third Party Advisory

https://www.fit.vutbr.cz/~polcak/CVE-2021-34572.en

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.