CVE-2021-34573

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

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Published Sep 16, 2021 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Enbra

AT-WMBUS-16-2

affected

Version	Status	Constraints
`all`	affected	—

Enbra

ER-AM DN 15

affected

Version	Status	Constraints
`ER-AM DN 15/SV all`	affected	—
`ER-AM DN 15/TV all`	affected	—

Enbra

EWM 1.7.29

affected

Version	Status	Constraints
`03.11.2019`	affected	—

Configuration 1 [-]

cpe:2.3:a:enbra:ewm:1.7.29:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21223	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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.226% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Enbra Ewm

Weaknesses

CWE-682

Sources

CVE record Updated: Sep 17, 2024, 2:21 AM

Status: PUBLISHED
Assigner: CERTVDE
Published: Sep 16, 2021, 12:20 PM
Updated: Sep 17, 2024, 2:21 AM
Reserved: Jun 10, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:56 AM

Status: Modified
Published: Sep 16, 2021, 1:15 PM
Modified: Jun 17, 2026, 3:56 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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