CVE-2019-6828

HIGH

Modicon - DoS

Title source: llm

Description

A CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to V3.10), Modicon Premium (all versions), and Modicon Quantum (all versions), which could cause a possible denial of service when reading specific coils and registers in the controller over Modbus.

References (1)

[Vendor Advisory] https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

Scores

CVSS v3 7.5

EPSS 0.0037

EPSS Percentile 58.3%

Attack Vector NETWORK

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

Classification

CWE

CWE-755 CWE-248

Status published

Affected Products (4)

schneider-electric/modicon_m580_firmware < 2.90

schneider-electric/modicon_m340_firmware < 3.10

schneider-electric/modicon_premium_firmware

schneider-electric/modicon_quantum_firmware

Timeline

Published Sep 17, 2019

Tracked Since Feb 18, 2026