Buffer overflow

In Enbra EWM in Version 1.7.29 together with several tested wireless M-Bus Sensors the events backflow and "no flow" are not reconized or misinterpreted. This may lead to wrong values and missing events...

Hardcoded credentials

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-2021-34573 Incorrect calculation in Enbra EWM does not report backflows or no flow events

In Enbra EWM in Version 1.7.29 together with several tested wireless M-Bus Sensors the events backflow and "no flow" are not reconized or misinterpreted. This may lead to wrong values and missing events...

CVE-2021-34573

CVE-2021-34573 affects Enbra EWM v1.7.29. Multiple external records (CNVD/CNNVD, CVE lists) describe an access control error wherein event returns and the “No flow”/backflow events are not re-recognized or are misinterpreted when used with several wireless M-Bus sensors. This can lead to incor...

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...

Enbra Ewm信任管理问题漏洞

Enbra Ewm is a universal reading device from the Czech company Enbra. It uses radios to read water meters, heating cost indicators and heat meters. Enbra EWM is vulnerable to a trust management issue, which stems from multiple wireless M-Bus devices from Enbra using hard-coded credentials in secu...

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...