CVE-2021-34573 - Vulnerability Details - OpenCVE

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.

Published: 2021-09-16

Score: 6.2 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

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.

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.

The EPSS score is 0.00115.

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

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-09-16T12:20:18.226Z

Updated: 2024-09-17T02:21:48.549Z

Reserved: 2021-06-10T00:00:00.000Z

Link: CVE-2021-34573

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-16T13:15:14.557

Modified: 2024-11-21T06:10:43.763

Link: CVE-2021-34573

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-682

{"containers": {"cna": {"affected": [{"product": "AT-WMBUS-16-2", "vendor": "Enbra", "versions": [{"status": "affected", "version": "all"}]}, {"product": "ER-AM DN 15", "vendor": "Enbra", "versions": [{"status": "affected", "version": "ER-AM DN 15/SV all"}, {"status": "affected", "version": "ER-AM DN 15/TV all"}]}, {"product": "EWM 1.7.29", "vendor": "Enbra", "versions": [{"status": "affected", "version": "03.11.2019"}]}], "credits": [{"lang": "en", "value": "Libor POL\u010c\u00c1K reported to CERT@VDE"}], "datePublic": "2021-08-31T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-682", "description": "CWE-682 Incorrect Calculation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-16T12:20:18.000Z", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en"}], "source": {"discovery": "UNKNOWN"}, "title": "Incorrect calculation in Enbra EWM does not report backflows or no flow events", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-08-31T22:00:00.000Z", "ID": "CVE-2021-34573", "STATE": "PUBLIC", "TITLE": "Incorrect calculation in Enbra EWM does not report backflows or no flow events"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "AT-WMBUS-16-2", "version": {"version_data": [{"version_value": "all"}]}}, {"product_name": "ER-AM DN 15", "version": {"version_data": [{"version_name": "ER-AM DN 15/SV", "version_value": "all"}, {"version_name": "ER-AM DN 15/TV", "version_value": "all"}]}}, {"product_name": "EWM 1.7.29", "version": {"version_data": [{"version_affected": "=", "version_value": "03.11.2019"}]}}]}, "vendor_name": "Enbra"}]}}, "credit": [{"lang": "eng", "value": "Libor POL\u010c\u00c1K reported to CERT@VDE"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-682 Incorrect Calculation"}]}]}, "references": {"reference_data": [{"name": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en", "refsource": "CONFIRM", "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:19:46.616Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en"}]}]}, "cveMetadata": {"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-34573", "datePublished": "2021-09-16T12:20:18.226Z", "dateReserved": "2021-06-10T00:00:00.000Z", "dateUpdated": "2024-09-17T02:21:48.549Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:enbra:ewm:1.7.29:*:*:*:*:*:*:*", "matchCriteriaId": "C983990C-D1DE-42C2-B6A2-8D9BD0B5A4FF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En Enbra EWM versi\u00f3n 1.7.29, junto con varios sensores inal\u00e1mbricos M-Bus probados, los eventos backflow y \"no flow\" no son reconocidos o son interpretados err\u00f3neamente. Esto puede conllevar a valores err\u00f3neos y eventos perdidos"}], "id": "CVE-2021-34573", "lastModified": "2024-11-21T06:10:43.763", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-16T13:15:14.557", "references": [{"source": "info@cert.vde.com", "tags": ["Third Party Advisory"], "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-682"}], "source": "info@cert.vde.com", "type": "Secondary"}]}