CVE-2021-23198 : Security Advisory and Response

A critical vulnerability, CVE-2021-23198, affecting mySCADA myPRO versions 8.20.0 and prior has been identified. Attackers can inject arbitrary OS commands through a specific parameter, leading to severe consequences.

Understanding CVE-2021-23198

This section delves into the specifics of CVE-2021-23198, highlighting its impact and technical details.

What is CVE-2021-23198?

The vulnerability in mySCADA myPRO versions 8.20.0 and earlier allows attackers to inject arbitrary OS commands by specifying a password, posing a significant risk to the system's security.

The Impact of CVE-2021-23198

With a base severity rating of 'Critical' and a CVSS base score of 10, the impact of this vulnerability is deemed high, affecting confidentiality, integrity, and availability of the system.

Technical Details of CVE-2021-23198

This section provides in-depth technical insights into CVE-2021-23198, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a feature in mySCADA myPRO versions 8.20.0 and earlier, wherein attackers can exploit a specific parameter to inject malicious OS commands.

Affected Systems and Versions

All installations of mySCADA myPRO up to version 8.20.0 are impacted by this vulnerability, making it crucial for users to upgrade to a secure version promptly.

Exploitation Mechanism

By exploiting the password specification feature in affected versions, threat actors can inject unauthorized operating system commands, compromising the system's integrity and security.

Mitigation and Prevention

Protecting systems from CVE-2021-23198 requires immediate action and long-term security practices.

Immediate Steps to Take

Users are strongly advised to upgrade to mySCADA myPRO version 8.22.0 or higher to mitigate the vulnerability. Additionally, reaching out to mySCADA technical support for further guidance is recommended.

Long-Term Security Practices

Implementing robust cybersecurity measures, such as regular security audits and employee training on best practices, can enhance the overall security posture and prevent similar vulnerabilities.

Patching and Updates

Regularly applying security patches and updates provided by mySCADA is crucial in preventing exploitation of known vulnerabilities and ensuring system resilience.