CVE-2021-34573

MEDIUMNVD 6.26.2—

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.

CVSS v3: 6.2
EG Score: 6.2(medium)
EPSS: 29.7%
KEV: Not listed

Published

September 16, 2021

Last Modified

November 21, 2024

References (2)

info@certhttps://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en
af854a3a-2127-422b-91ae-364da2661108https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-682Incorrect Calculation

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 10:18 UTCEG score recompute
2026-05-26 10:17 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 04:02 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-34573?

CVE-2021-34573 is a medium vulnerability published on September 16, 2021. 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.

When was CVE-2021-34573 disclosed?

CVE-2021-34573 was first published in the National Vulnerability Database on September 16, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-34573 actively exploited?

CVE-2021-34573 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-34573?

CVE-2021-34573 has a CVSS v3 base score of 6.2 (NVD).

How do I remediate CVE-2021-34573?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-34573, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-34573

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CVE-2021-34573

📅 Published

🔄 Last Modified

🔗 References (2)