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

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...

CVE-2021-34572

Summary (CVE-2021-34572): Enbra EWM 1.7.29 is vulnerable to data forgery via replay attacks from wireless M-Bus Secure Mode 5 devices. The software does not check or detect replayed data; sensor timestamps are replaced with the readout time, enabling potential integrity issues. Affected component...

CVE-2021-34571

The CVE-2021-34571 entry concerns Enbra EWM, a universal Enbra Wireless M-Bus reading device. Concrete details across connected records show a trust/credential management issue in which several wireless M-Bus devices use hard-coded credentials in secure mode 5, with no option to change the encryp...

CVE-2021-34571 Hard-coded Credentials in Enbra Wireless M-Bus devices

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...

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...