CVE-2021-22730 : What You Need to Know

A CWE-798 vulnerability exists in Schneider Electric's EVlink City, EVlink Parking, and EVlink Smart Wallbox prior to R8 V3.4.0.1, allowing attackers to gain unauthorized administrative privileges.

Understanding CVE-2021-22730

This CVE involves a Use of Hard-coded Credentials vulnerability in Schneider Electric's EVlink charging stations.

What is CVE-2021-22730?

CVE-2021-22730 is a CWE-798 vulnerability in EVlink City, EVlink Parking, and EVlink Smart Wallbox versions prior to R8 V3.4.0.1, enabling attackers to unauthorized access.

The Impact of CVE-2021-22730

The vulnerability could lead to unauthorized administrative privileges when attackers access the web server of the charging stations.

Technical Details of CVE-2021-22730

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The CWE-798 vulnerability allows attackers to exploit hard-coded credentials to gain unauthorized access to the charging station web server.

Affected Systems and Versions

EVlink City (EVC1S22P4 / EVC1S7P4), EVlink Parking (EVW2 / EVF2 / EV.2), and EVlink Smart Wallbox (EVB1A) are affected prior to R8 V3.4.0.1.

Exploitation Mechanism

Attackers can exploit the hard-coded credentials to gain unauthorized administrative privileges.

Mitigation and Prevention

Protecting against CVE-2021-22730 is crucial to ensure the security of the charging stations.

Immediate Steps to Take

Immediately update the affected versions to R8 V3.4.0.1 to eliminate the vulnerability.

Long-Term Security Practices

Implement a robust credential management system and regularly monitor and update the charging stations for security patches.

Patching and Updates

Regularly check for new updates and patches released by Schneider Electric to address security vulnerabilities.