What is CVE-2021-34572?

CVE-2021-34572 is a medium-severity vulnerability in Enbra Ewm, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2021-09-16.

How severe is CVE-2021-34572?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Enbra Ewm

CVE-2021-34572

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.

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Enbra Ewm — versions 1.7.29
Enbra Ewm 1.7.29 — versions 03.11.2019

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-34572?: CVE-2021-34572 is a medium-severity vulnerability in Enbra Ewm, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2021-09-16.
How severe is CVE-2021-34572?: Medium severity. CVSS v3 base score is 6.5 out of 10.