CVE-2022-1794 : Exploit Details and Defense Strategies
Learn about CVE-2022-1794 impacting CODESYS OPC DA Server with plaintext storage of passwords. Understand the impact, affected versions, and mitigation steps.
This article provides detailed information about CVE-2022-1794, a vulnerability in the CODESYS OPC DA Server that allows plaintext storage of passwords, impacting certain versions of the software.
Understanding CVE-2022-1794
CVE-2022-1794 is a vulnerability in the CODESYS OPC DA Server that affects versions prior to V3.5.18.20. The vulnerability allows the storage of PLC passwords in plain text within the configuration file, making them visible to all authorized Windows users of the system.
What is CVE-2022-1794?
The vulnerability in the CODESYS OPC DA Server, before version V3.5.18.20, results in the insecure storage of passwords in plain text within the configuration file, exposing sensitive information.
The Impact of CVE-2022-1794
The impact of CVE-2022-1794 is rated as medium severity with a CVSS base score of 5.5. It poses a high confidentiality impact as PLC passwords are stored in plain text, potentially accessible to all authorized users on the system.
Technical Details of CVE-2022-1794
The technical details of CVE-2022-1794 include:
Vulnerability Description
The CODESYS OPC DA Server vulnerability allows for the plaintext storage of PLC passwords in its configuration file, compromising the security of sensitive credentials.
Affected Systems and Versions
The vulnerability affects CODESYS OPC DA Server versions up to V3.5.18.20.
Exploitation Mechanism
The exploitation of this vulnerability involves leveraging the plaintext storage of passwords in the CODESYS OPC DA Server configuration file to gain unauthorized access to sensitive information.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-1794, consider the following steps:
Immediate Steps to Take
- Upgrade to a secure version of the CODESYS OPC DA Server that addresses the plaintext password storage issue.
Long-Term Security Practices
- Implement secure password storage mechanisms to prevent plaintext exposure in configuration files.
Patching and Updates
- Regularly check for security advisories and updates from CODESYS to apply patches that address this vulnerability.