CVE-2021-34571mediumCWE-798

CVE-2021-34571: medium-severity vulnerability in Enbra AT-WMBUS-16-2

Hard-coded Credentials in Enbra Wireless M-Bus devices

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.2%
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.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Enbra · AT-WMBUS-16-2Enbra · ER-AM DN 15Enbra · EWM 1.7.29
Related CVEs — Enbra AT-WMBUS-16-2

In the same product, most dangerous first.

CVE-2021-34572MEDIUMInsufficient Verification of Data Authenticity in Enbra EWM (replay attack)EPSS 0.2%CVE-2021-34573MEDIUMIncorrect calculation in Enbra EWM does not report backflows or no flow eventsEPSS 0.2%