CVE-2019-6852

CVE-2019-6852

Vendor Schneider Electric
Product Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)
Weakness CWE-200 · Info exposure
Published November 20, 2019
Last update May 28, 2026
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CVSS base score

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What the vulnerability does

01Description

A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions), which could cause the disclosure of FTP hardcoded credentials when using the Web server of the controller on an unsecure network.

Key dates

02Disclosure timeline

November 20, 2019 CVE published
May 28, 2026 Record updated