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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Distributed Data Systems | WebHMI | 4.1 to before 4.1 | 4.1 | Patch available | CNA |
- WebHMI VendorDistributed Data Systems Affected 4.1 to before 4.1 Fixed in 4.1 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:webhmi:webhmi_firmware:*:*:*:*:*:*:*:* | before 4.1 | Vulnerable | Distributed Data Systems |
| cpe:2.3:h:webhmi:webhmi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Distributed Data Systems |
- cpe:2.3:o:webhmi:webhmi_firmware:*:*:*:*:*:*:*:* Versions before 4.1 Vulnerable ·Distributed Data Systems
- cpe:2.3:h:webhmi:webhmi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Distributed 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
- TI-2021-19698 Distributed Data Systems WebHMPriority HIGH 69
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43931
- 2026-10-03 Alias added: GHSA-9p49-7vh4-82rx
References
More Distributed Data Systems Webhmi Firmware vulnerabilities
- 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
- CVE-2021-43931 · CVE Program
- CVE-2021-43931 · NVD
- FIRST EPSS
- GHSA-9p49-7vh4-82rx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences