What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-16 · updated 2026-06-17
• Weakness: CWE-682

Description

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.

Affected products

• Enbra EWM 1.7.29: 1.7.29

References

• https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en
• https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en

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