CVE-2021-22727 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-22727, an Insufficient Entropy vulnerability in Schneider Electric's EVlink products, allowing unauthorized access to the charging station web server. Learn about affected versions and mitigation steps.
A CWE-331 vulnerability exists in Schneider Electric's EVlink City, EVlink Parking, and EVlink Smart Wallbox prior to R8 V3.4.0.1, allowing unauthorized access to the charging station web server.
Understanding CVE-2021-22727
This CVE record identifies a security issue in specific Schneider Electric charging station products.
What is CVE-2021-22727?
CVE-2021-22727 is a CWE-331: Insufficient Entropy vulnerability present in EVlink City, EVlink Parking, and EVlink Smart Wallbox before R8 V3.4.0.1, potentially exploited by attackers to gain unauthorized access.
The Impact of CVE-2021-22727
The vulnerability allows malicious actors to access the charging station web server without authorization, posing a significant security risk to users and their data.
Technical Details of CVE-2021-22727
This section delves into the specifics of the vulnerability.
Vulnerability Description
The insufficient entropy flaw in the affected Schneider Electric products enables attackers to infiltrate the charging station web server, compromising its security.
Affected Systems and Versions
EVlink City (EVC1S22P4 / EVC1S7P4), EVlink Parking (EVW2 / EVF2 / EV.2), and EVlink Smart Wallbox (EVB1A) versions prior to R8 V3.4.0.1 are impacted by this vulnerability.
Exploitation Mechanism
Cybercriminals could exploit this vulnerability to gain unauthorized access to the web server of the charging stations, potentially leading to data breaches and system compromise.
Mitigation and Prevention
To address CVE-2021-22727, proactive security measures are necessary.
Immediate Steps to Take
Users should apply security patches and updates provided by Schneider Electric promptly to mitigate the risk of unauthorized access.
Long-Term Security Practices
Regularly monitoring for security alerts and updates from the vendor can aid in safeguarding charging station systems against potential threats.
Patching and Updates
Installing the latest firmware and security patches from Schneider Electric is crucial in protecting EVlink City, EVlink Parking, and EVlink Smart Wallbox from CVE-2021-22727.