CVE-2021-43931

Distributed Data Systems WebHM

View on CVE.org

Published Dec 6, 2021 CVSS 3.1 · 9.8 Critical EPSS 1.5% KEV · Not listed

Description

The authentication algorithm of the WebHMI portal is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

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

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Advisories

Source	ID	Title
EUVD	EUVD-2021-30793	The authentication algorithm of the WebHMI portal is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

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 Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.5% (1.481% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03

History

No history.

Subscriptions

Webhmi Webhmi Webhmi Firmware

Weaknesses

CWE-287

Sources

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

Status: PUBLISHED
Assigner: icscert
Published: Dec 6, 2021, 5:40 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.

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