CVE-2021-43931

Distributed Data Systems WebHM

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.

Remediation

Workaround:

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

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory cisa.gov
Affected: Distributed Data Systems WebHMI
Published at:
Updated at:

References

Link Tags
https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03 patch us government resource third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-43931?
CVE-2021-43931 has been scored as a critical severity vulnerability.
How to fix CVE-2021-43931?
As a workaround for remediating CVE-2021-43931: Distributed Data Systems recommends upgrading the platform software to the latest release, Version 4.1
Is CVE-2021-43931 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43931 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43931?
CVE-2021-43931 affects Distributed Data Systems WebHMI.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.