CVE-2021-43931 - CVE House
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Status published Critical CVE-2021-43931

Distributed Data Systems WebHM

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Marcin Dudek of CERT.PL reported these vulnerabilities to CISA.

References

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Affected Vendor

Distributed Data Systems

View all reports →

Affected Software

WebHMI
Vulnerable Versions:
4.1

Timeline

Official Publish: December 6th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.