CVE-2018-7778 : Security Advisory and Response

Schneider Electric Evlink Charging Station prior to v3.2.0-12_v1 is vulnerable to a privilege escalation issue through the Web Interface.

Understanding CVE-2018-7778

This CVE identifies a security vulnerability in Schneider Electric's Evlink Charging Station that could allow a remote attacker to gain administrative privileges without proper authentication.

What is CVE-2018-7778?

The vulnerability in the Web Interface of Schneider Electric Evlink Charging Station versions prior to v3.2.0-12_v1 enables unauthorized users to potentially obtain administrative privileges remotely.

The Impact of CVE-2018-7778

This vulnerability could lead to unauthorized access and control over the charging station, posing a significant security risk to the system and potentially compromising user data.

Technical Details of CVE-2018-7778

Schneider Electric Evlink Charging Station is affected by the following:

Vulnerability Description

The issue lies in the Web Interface of the charging station, allowing attackers to exploit it for unauthorized administrative access.

Affected Systems and Versions

Product: Evlink Charging Station
Vendor: Schneider Electric SE
Versions Affected: Web Interface, all versions prior to v3.2.0-12_v1

Exploitation Mechanism

The vulnerability involves a flaw in the authentication process of remote users, enabling attackers to manipulate cookies and escalate their privileges.

Mitigation and Prevention

To address CVE-2018-7778, consider the following steps:

Immediate Steps to Take

Update the Evlink Charging Station to version v3.2.0-12_v1 or later to mitigate the vulnerability.
Restrict network access to the charging station to trusted users only.

Long-Term Security Practices

Regularly monitor and audit the charging station for any unauthorized access or suspicious activities.
Implement strong password policies and multi-factor authentication to enhance security.

Patching and Updates

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