What’s Vulnerable › Vulnerabilities

CVE-2019-6847

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-29 · updated 2026-06-17
• Weakness: CWE-755

Description

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the FTP service when upgrading the firmware with a version incompatible with the application in the controller using FTP protocol.

Affected products

• Schneider-Electric Modicon 140Cra Firmware: all versions
• Schneider-Electric Modicon Bmxcra Firmware: all versions
• Schneider-Electric Modicon M340 Firmware: all versions
• Schneider Electric SE Modicon M580: all versions

References

• https://www.se.com/ww/en/download/document/SEVD-2019-281-02/
• https://www.se.com/ww/en/download/document/SEVD-2019-281-02/

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