VULNERABILITY INTELLIGENCE

CVE-2019-6841

CVSS score4.9 MEDIUM
EPSS probability23.72%
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 with firmware (version prior to V3.10), Modicon M340 (all firmware versions), and Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with no firmware image inside the package using FTP protocol.

Weakness classification

  • CWE-755: Improper Handling of Exceptional Conditions

Primary references