CVE-2019-6857

7.5 HIGH
Published: January 06, 2020 Modified: May 29, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.se.com/ww/en/download/document/SEVD-2019-344-01
Source: cybersecurity@se.com
Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-016-01
Source: cybersecurity@se.com
Third Party Advisory US Government Resource
https://www.se.com/ww/en/download/document/SEVD-2019-344-01
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-016-01
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
1.6%
73th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

schneider-electric