CVE-2021-43931 - Vulnerability Details - OpenCVE

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.

Published: 2021-12-06

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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.

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.

The EPSS score is 0.00235.

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

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2021-12-06T17:40:45.000Z

Updated: 2024-08-04T04:10:17.161Z

Reserved: 2021-11-16T00:00:00.000Z

Link: CVE-2021-43931

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-06T18:15:08.303

Modified: 2024-11-21T06:30:01.423

Link: CVE-2021-43931

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287

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