CVE-2021-43931 Explained : Impact and Mitigation
Learn about CVE-2021-43931, a critical vulnerability in WebHMI by Distributed Data Systems that allows bypassing the authentication mechanism, impacting confidentiality, integrity, and availability. Find out how to mitigate the risk.
WebHMI by Distributed Data Systems has a critical vulnerability that allows bypassing the authentication mechanism, leading to high impacts on confidentiality, integrity, and availability.
Understanding CVE-2021-43931
WebHMI portal's authentication algorithm vulnerability.
What is CVE-2021-43931?
The WebHMI portal's authentication algorithm weakness allows bypassing the mechanism due to a primary vulnerability, enabling unauthorized access.
The Impact of CVE-2021-43931
The critical vulnerability results in high impacts on confidentiality, integrity, and availability of the system, posing a significant security risk.
Technical Details of CVE-2021-43931
Details of the vulnerability in WebHMI portal.
Vulnerability Description
The authentication algorithm flaw allows attackers to bypass the mechanism, compromising the security of the system.
Affected Systems and Versions
- Product: WebHMI
- Vendor: Distributed Data Systems
- Versions affected: Version less than 4.1
Exploitation Mechanism
The vulnerability can be exploited over the network without requiring user interaction, with a low attack complexity.
Mitigation and Prevention
Steps to address the CVE-2021-43931 vulnerability.
Immediate Steps to Take
- Upgrade WebHMI platform software to Version 4.1
Long-Term Security Practices
- Regularly update and patch software
- Implement strong authentication mechanisms
Patching and Updates
Ensure all systems running WebHMI are updated to the latest version to mitigate the vulnerability.