CVE-2019-6857

HIGH

Modicon M580 < 2.80, M340 < 3.01, Quantum/TSX H/P 57 < 3.20 - Denial of Service via Modbus TCP Memory Block Read

Title source: llm
STIX 2.1

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service of the controller when reading specific memory blocks using Modbus TCP.

References (2)

Core 2
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.us-cert.gov/ics/advisories/icsa-20-016-01

Scores

CVSS v3 7.5
EPSS 0.0049
EPSS Percentile 65.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-754
Status published
Products (29)
schneider-electric/140cpu65150_firmware < 3.60
schneider-electric/140cpu65160_firmware < 3.60
schneider-electric/140cpu65160s_firmware < 3.60
schneider-electric/140cpu65260_firmware < 3.60
schneider-electric/140cpu65860_firmware < 3.60
schneider-electric/140cpu67060_firmware < 3.60
schneider-electric/140cpu67160_firmware < 3.60
schneider-electric/140cpu67160s_firmware < 3.60
schneider-electric/140cpu67260_firmware < 3.60
schneider-electric/140cpu67261_firmware < 3.60
... and 19 more
Published Jan 06, 2020
Tracked Since Feb 18, 2026