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TI-2021-19693 Aliases CVE-2021-43931GHSA-9p49-7vh4-82rx

Distributed Data Systems WebHM

Priority MEDIUM 45CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.01481 74th percentileScored 2026-11-07
Fix Fixed WebHMI (Distributed Data Systems): 4.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Distributed Data SystemsWebHMI4.1 to before 4.14.1Patch availableCNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:webhmi:webhmi_firmware:*:*:*:*:*:*:*:*before 4.1VulnerableDistributed Data Systems
cpe:2.3:h:webhmi:webhmi:-:*:*:*:*:*:*:*not specified by NVDRunning onDistributed Data Systems

Remediation

  • Fix · CNA WebHMI (Distributed Data Systems) Fixed in 4.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Distributed Data Systems WebHMI 4.1

    2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43931
  2. 2026-10-03 Alias added: GHSA-9p49-7vh4-82rx

References

  • TI-2021-19698 Distributed Data Systems WebHM CVSS 3.1CRITICAL 10.0
  • TI-2022-02078 Distributed Data Systems WebHMI OS Command Injection CVSS 3.1CRITICAL 9.1
  • TI-2022-02079 Distributed Data Systems WebHMI Cross-site Scripting CVSS 3.1MEDIUM 6.2

Sources