CVE-2019-6819

Published: May 22, 2019Modified: May 29, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium.

Affected (4)

Products: Schneider Electric: Modicon M340 Firmware, Modicon M580 Firmware, Modicon Quantum Firmware, Modicon Premium Firmware

Schneider Electric

4 products

Modicon M340 Firmware

Modicon M580 Firmware

Modicon Quantum Firmware

Modicon Premium Firmware

Configuration A

1 vulnerable · 10 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Firmware	Before 3.01

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp341000	All versions
Schneider Electric Modicon M340 Bmxp341000h	All versions
Schneider Electric Modicon M340 Bmxp342000	All versions
Schneider Electric Modicon M340 Bmxp3420102	All versions
Schneider Electric Modicon M340 Bmxp3420102cl	All versions
Schneider Electric Modicon M340 Bmxp342020	All versions
Schneider Electric Modicon M340 Bmxp342020h	All versions
Schneider Electric Modicon M340 Bmxp3420302	All versions
Schneider Electric Modicon M340 Bmxp3420302cl	All versions
Schneider Electric Modicon M340 Bmxp3420302h	All versions

Configuration B

1 vulnerable · 22 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Firmware	Before 2.80

Running on/with	Platform Versions
Schneider Electric Bmeh582040	All versions
Schneider Electric Bmeh582040c	All versions
Schneider Electric Bmeh584040	All versions
Schneider Electric Bmeh584040c	All versions
Schneider Electric Bmeh586040	All versions
Schneider Electric Bmeh586040c	All versions
Schneider Electric Modicon M580 Bmep581020	All versions
Schneider Electric Modicon M580 Bmep581020h	All versions
Schneider Electric Modicon M580 Bmep582020	All versions
Schneider Electric Modicon M580 Bmep582020h	All versions
Schneider Electric Modicon M580 Bmep582040	All versions
Schneider Electric Modicon M580 Bmep582040h	All versions
Schneider Electric Modicon M580 Bmep582040s	All versions
Schneider Electric Modicon M580 Bmep583020	All versions
Schneider Electric Modicon M580 Bmep583040	All versions
Schneider Electric Modicon M580 Bmep584020	All versions
Schneider Electric Modicon M580 Bmep584040	All versions
Schneider Electric Modicon M580 Bmep584040s	All versions
Schneider Electric Modicon M580 Bmep585040	All versions
Schneider Electric Modicon M580 Bmep585040c	All versions
Schneider Electric Modicon M580 Bmep586040	All versions
Schneider Electric Modicon M580 Bmep586040c	All versions