CVE-2021-34571

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.

Score

CVSS 3.1 6.5 Medium

Status

Modified - info@cert.vde.com

Published

2021-09-16

Last modified

2024-09-16

Weaknesses

CWE-798

Affected products

• At-wmbus-16-2 (Enbra)
• Er-am Dn 15 (Enbra)
• Ewm (Enbra)
• Ewm 1.7.29 (Enbra)

References

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