VULNERABILITY INTELLIGENCE

CVE-2019-6844

CVSS score4.9 MEDIUM
EPSS probability0.96%
CISA KEVNot currently listed
Published2019-10-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

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 atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.

Weakness classification

  • CWE-755: Improper Handling of Exceptional Conditions

Primary references