CVE-2021-43931
published 2021-12-06CVE-2021-43931: 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…
PriorityP359critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.39%
68.9th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| distributed_data_systems | webhmi | >= 4.1 < 4.1 | 4.1 |
| webhmi | webhmi_firmware | < 4.1 | 4.1 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
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GHSA
GHSA-9p49-7vh4-82rx: 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
ghsa_unreviewed·2021-12-07
CVE-2021-43931 [CRITICAL] CWE-287 GHSA-9p49-7vh4-82rx: 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
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.
CISA ICS
Distributed Data Systems WebHMI
cisa_ics·2021-12-02·CVSS 9.8
[CRITICAL] Distributed Data Systems WebHMI
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Distributed Data Systems WebHMI
Last RevisedDecember 02, 2021
Alert CodeICSA-21-336-03
## 1. EXECUTIVE SUMMARY
- CVSS v3 10.0
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Distributed Data Systems
- Equipment: WebHMI
- Vulnerabilities: Authentication Bypass by Primary Weakness, Unrestricted Upload of File with Dangerous Type
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow an administrator account login without password authentication and remote code execution with root privileges.
## 3. TECHNICAL DETAILS
## 3.1 AFFEC
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-12-06
Published