CVE-2021-34572 MEDIUM

CVE-2021-34572: Insufficient Verification of Data Authenticity in Enbra EWM (replay attack)

Vendor Enbra
Product EWM 1.7.29
Weakness CWE-345
Published September 16, 2021
Last update September 16, 2024

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 16, 2021 CVE published
September 16, 2024 Record updated