CVE-2021-43981 Explained : Impact and Mitigation
Discover the critical CVE-2021-43981 affecting mySCADA myPRO versions <= 8.20.0, enabling attackers to inject OS commands via emails. Learn about impacts, mitigation steps, and upgrades.
CVE-2021-43981 involves mySCADA myPRO versions 8.20.0 and prior, allowing attackers to execute arbitrary OS commands through email features.
Understanding CVE-2021-43981
The vulnerability in mySCADA myPRO can result in critical impacts due to the execution of malicious commands through email parameters.
What is CVE-2021-43981?
The vulnerability in mySCADA myPRO versions 8.20.0 and earlier permits threat actors to inject harmful operating system commands via a specific email parameter.
The Impact of CVE-2021-43981
The CVE has a base severity score of 10 (Critical) and has high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-43981
This section delves into the vulnerability's technical specifics.
Vulnerability Description
The flaw in mySCADA myPRO allows attackers to execute arbitrary OS commands through email functionalities, posing a severe security risk.
Affected Systems and Versions
- Product: myPRO
- Vendor: mySCADA
- Versions Affected: <= 8.20.0
Exploitation Mechanism
The vulnerability can be exploited remotely via a network with low attack complexity, requiring no user interaction.
Mitigation and Prevention
Understanding how to mitigate and prevent the CVE is crucial for cybersecurity.
Immediate Steps to Take
- Upgrade to mySCADA myPRO Version 8.22.0 or above
- Contact mySCADA technical support for further assistance
Long-Term Security Practices
- Regularly update software and systems to the latest versions
- Implement robust email validation and sanitization mechanisms
Patching and Updates
Timely patching and updates are essential for addressing vulnerabilities and enhancing system security.