CVE-2021-43931— Distributed Data Systems WebHM
Quick assessment
Affected
Distributed Data Systems WebHMI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Distributed Data Systems WebHmi是乌克兰Distributed Data Systems公司的一个带有内置网络服务器的 Scada 系统。用于通过计算机和移动设备监视和控制本地网络上以及通过 Internet 的任何自动化系统。 Distributed Data Systems WebHmi 存在安全漏洞，该漏洞源于分布式数据系统webhmi中存在认证错误。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43931
Vulnerability Information
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Vulnerability Title
Distributed Data Systems WebHM
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Distributed Data Systems WebHmi 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Distributed Data Systems WebHmi是乌克兰Distributed Data Systems公司的一个带有内置网络服务器的 Scada 系统。用于通过计算机和移动设备监视和控制本地网络上以及通过 Internet 的任何自动化系统。 Distributed Data Systems WebHmi 存在安全漏洞，该漏洞源于分布式数据系统webhmi中存在认证错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Distributed Data Systems | WebHMI | 4.1 ~ 4.1 | - |
|
II. Public POCs for CVE-2021-43931
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-43931 (1)
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03 x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2021-43931
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