CVE-2021-43936

Distributed Data Systems WebHM

View on CVE.org

Published Dec 6, 2021 CVSS 3.1 · 10 Critical EPSS 35.8% KEV · Not listed

Description

The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution.

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

Distributed Data Systems

WebHMI

affected

Version	Status	Constraints
`4.1`	affected	< 4.1

Configuration 1 [-]

AND

cpe:2.3:o:webhmi:webhmi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:webhmi:webhmi:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Workaround

Distributed Data Systems recommends upgrading the platform software to the latest release, Version 4.1

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 35.8% (35.804% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html
https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03

History

No history.

Subscriptions

Webhmi Webhmi Webhmi Firmware

Weaknesses

CWE-434

Sources

CVE record Updated: Aug 4, 2024, 4:10 AM

Status: PUBLISHED
Assigner: icscert
Published: Dec 6, 2021, 5:39 PM
Updated: Aug 4, 2024, 4:10 AM
Reserved: Nov 16, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:11 AM

Status: Modified
Published: Dec 6, 2021, 6:15 PM
Modified: Jun 17, 2026, 4:11 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "WebHMI", "vendor": "Distributed Data Systems", "versions": [{"lessThan": "4.1", "status": "affected", "version": "4.1", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Marcin Dudek of CERT.PL reported these vulnerabilities to CISA."}], "descriptions": [{"lang": "en", "value": "The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution."}], "exploits": [{"lang": "en", "value": "None"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-13T16:06:24.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html"}], "source": {"advisory": "ICSA-21-336-03", "defect": ["CWE-434"], "discovery": "EXTERNAL"}, "title": "Distributed Data Systems WebHM", "workarounds": [{"lang": "en", "value": "Distributed Data Systems recommends upgrading the platform software to the latest release, Version 4.1"}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2021-43936", "STATE": "PUBLIC", "TITLE": "Distributed Data Systems WebHM"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "WebHMI", "version": {"version_data": [{"version_affected": "<", "version_name": "4.1", "version_value": "4.1"}]}}]}, "vendor_name": "Distributed Data Systems"}]}}, "credit": [{"lang": "eng", "value": "Marcin Dudek of CERT.PL reported these vulnerabilities to CISA."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution."}]}, "exploit": [{"lang": "en", "value": "None"}], "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Unrestricted Upload of File with Dangerous Type"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03"}, {"name": "http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html"}]}, "source": {"advisory": "ICSA-21-336-03", "defect": ["CWE-434"], "discovery": "EXTERNAL"}, "work_around": [{"lang": "en", "value": "Distributed Data Systems recommends upgrading the platform software to the latest release, Version 4.1"}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:10:16.987Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-43936", "datePublished": "2021-12-06T17:39:24.000Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2024-08-04T04:10:16.987Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "WebHMI", "vendor": "Distributed Data Systems", "versions": [{"lessThan": "4.1", "status": "affected", "version": "4.1", "versionType": "custom"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:webhmi:webhmi_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "194BB82B-39C9-4A70-BFBE-2C2CE273556D", "versionEndExcluding": "4.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:webhmi:webhmi:-:*:*:*:*:*:*:*", "matchCriteriaId": "A01C62B5-41A7-407B-BB31-668756184F45", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution."}, {"lang": "es", "value": "El software permite al atacante cargar o transferir archivos de tipos peligrosos al portal WebHMI, que pueden ser procesados autom\u00e1ticamente dentro del entorno del producto o conllevar a una ejecuci\u00f3n de c\u00f3digo arbitrario"}], "id": "CVE-2021-43936", "lastModified": "2026-06-17T04:11:39.510", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-06T18:15:08.353", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}