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CVE-2019-6808

9.8 · CRITICAL
Published May 22, 2019 schneider-electric CWE-306 EPSS 8.16% (94th pctl)

Overview

CVE-2019-6808 is a critical-severity vulnerability affecting schneider-electric modicon_premium_firmware. It was published on May 22, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code execution by overwriting configuration settings of the controller over Modbus.

Remediation

Check the references section for vendor advisories and patches from schneider-electric. Update modicon_premium_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
schneider-electric modicon_premium_firmware 0 Affected
schneider-electric modicon_quantum_firmware 0 Affected
schneider-electric modicon_m340_firmware >= 0, < 3.10 Affected
schneider-electric modicon_m580_firmware >= 0, < 2.90 Affected

Frequently Asked Questions

What is CVE-2019-6808?

CVE-2019-6808 is a critical-severity vulnerability affecting schneider-electric modicon_premium_firmware. It was published on May 22, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2019-6808?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-6808?

Check the references section for vendor advisories and patches from schneider-electric. Update modicon_premium_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-6808?

CyberStrike's AI-powered security agents can automatically detect CVE-2019-6808 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.