https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2021-34573.htmlhttps://patchthecve.com/cve/CVE-2021-34573.htmlWed, 17 Jun 2026 03:56:09 +0000MEDIUM 6.2: 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.https://patchthecve.com/cve/CVE-2021-34572.htmlhttps://patchthecve.com/cve/CVE-2021-34572.htmlWed, 17 Jun 2026 03:56:09 +0000MEDIUM 6.5: 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.https://patchthecve.com/cve/CVE-2021-34571.htmlhttps://patchthecve.com/cve/CVE-2021-34571.htmlWed, 17 Jun 2026 03:56:09 +0000MEDIUM 6.5: 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.