CVE-2021-22725 : What You Need to Know

A Cross-Site Request Forgery (CSRF) vulnerability, CVE-2021-22725, has been identified in certain Schneider Electric charging stations. This vulnerability could be exploited by attackers to impersonate users or perform actions on their behalf by manipulating POST requests.

Understanding CVE-2021-22725

This section will delve into the details of the CVE-2021-22725 vulnerability in Schneider Electric charging stations.

What is CVE-2021-22725?

The CVE-2021-22725 CVE-352 CSRF vulnerability allows malicious actors to submit crafted parameters in POST requests to the charging station's web server, enabling them to impersonate users or execute actions on their behalf.

The Impact of CVE-2021-22725

The impact of CVE-2021-22725 is significant as it exposes users of affected Schneider Electric charging stations to the risk of unauthorized access and potential malicious activities.

Technical Details of CVE-2021-22725

Here we will explore the technical aspects of CVE-2021-22725, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a lack of proper validation of POST requests, allowing threat actors to manipulate parameters and perform unauthorized actions.

Affected Systems and Versions

CVE-2021-22725 affects several Schneider Electric charging station models, including EVlink City EVC1S22P4, EVlink Parking EVW2/EVF2/EVP2PE, and EVlink Smart Wallbox EVB1A prior to version R8 V3.4.0.2.

Exploitation Mechanism

Exploiting CVE-2021-22725 involves sending crafted POST requests containing malicious parameters to the charging station's web server, granting attackers the ability to impersonate users or execute actions on their behalf.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-22725 and safeguard Schneider Electric charging stations from potential exploits.

Immediate Steps to Take

Immediate actions may include implementing security patches, monitoring POST requests, and enhancing access control measures.

Long-Term Security Practices

Establishing robust security protocols, conducting regular security audits, and educating users on safe browsing habits can enhance long-term security.

Patching and Updates

Regularly updating charging station firmware and staying informed about security advisories from Schneider Electric are vital to preventing CVE-2021-22725 exploitation.