CVE-2018-7246 Explained : Impact and Mitigation

A security weakness in the 66074 MGE Network Management Card Transverse by Schneider Electric, installed in MGE UPS and MGE STS systems, allows unauthorized remote attackers to detect an administrative account due to cleartext transmission of sensitive information.

Understanding CVE-2018-7246

What is CVE-2018-7246?

The vulnerability involves the transmission of sensitive information in plain text through the integrated web server on affected devices.

The Impact of CVE-2018-7246

The vulnerability may grant unauthorized remote attackers the ability to detect an administrative account on the affected devices.

Technical Details of CVE-2018-7246

Vulnerability Description

The vulnerability arises when default settings on the device do not utilize SSL, leading to the transmission of account data without encryption.

Affected Systems and Versions

Product: 66074 MGE Network Management Card Transverse
Vendor: Schneider Electric SE
Versions: All card versions affected when installed in MGE Galaxy 5000, MGE Galaxy 6000, MGE Galaxy 9000, MGE EPS 7000, MGE EPS 8000, MGE EPS 6000, MGE Comet UPS, MGE Galaxy PW, MGE Galaxy 3000, MGE Galaxy 4000

Exploitation Mechanism

The vulnerability allows unauthorized remote attackers to detect an administrative account by sending multiple requests for the "Access Control" page, resulting in the transmission of account data without encryption.

Mitigation and Prevention

Immediate Steps to Take

Ensure SSL is enabled on the affected devices to encrypt sensitive information transmissions.
Monitor network traffic for any unauthorized access attempts.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential security breaches.

Patching and Updates

Apply patches provided by Schneider Electric to address the vulnerability.