CVE-2021-22781 Explained : Impact and Mitigation

A vulnerability in EcoStruxure Control Expert, EcoStruxure Process Expert, and SCADAPack RemoteConnect could lead to leakage of SMTP credentials.

Understanding CVE-2021-22781

This CVE reveals an Insufficiently Protected Credentials vulnerability that poses a security risk to various Schneider Electric products.

What is CVE-2021-22781?

The CVE-2021-22781 vulnerability exists in EcoStruxure Control Expert, EcoStruxure Process Expert, and SCADAPack RemoteConnect products, potentially leading to the exposure of SMTP credentials when attacker gains access to a project file.

The Impact of CVE-2021-22781

The vulnerability could result in unauthorized access to sensitive SMTP credentials, compromising email security and potentially enabling further cyber attacks.

Technical Details of CVE-2021-22781

This section provides specific technical details about the CVE.

Vulnerability Description

The Insufficiently Protected Credentials vulnerability in EcoStruxure products could allow attackers to extract SMTP credentials, endangering email security.

Affected Systems and Versions

All versions of EcoStruxure Control Expert, EcoStruxure Process Expert, and SCADAPack RemoteConnect are impacted by this vulnerability.

Exploitation Mechanism

Attackers exploit this vulnerability by accessing project files, leading to the leakage of SMTP credentials.

Mitigation and Prevention

Protecting your systems from CVE-2021-22781 is crucial for maintaining cybersecurity.

Immediate Steps to Take

Immediately update affected products to the latest version and change SMTP credentials to prevent unauthorized access.

Long-Term Security Practices

Enforce strict access controls, conduct regular security audits, and train employees to recognize phishing attempts.

Patching and Updates

Stay informed about security updates from Schneider Electric and promptly apply patches to address known vulnerabilities.