Vulnerabilities > CVE-2019-6843 - Improper Handling of Exceptional Conditions vulnerability in Schneider-Electric products

047910
CVSS 4.9 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
HIGH
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
schneider-electric
CWE-755
NVD
Published: 2019-10-29
Updated: 2022-02-03

Summary

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 controller with an empty firmware package using FTP protocol.

Vulnerable Configurations

Part Description Count
OS
Schneider-Electric
4
Hardware
Schneider-Electric
4

Common Weakness Enumeration (CWE)

Talos

idTALOS-2019-0824
last seen2019-11-02
published2019-10-08
reporterTalos Intelligence
sourcehttp://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0824
titleSchneider Electric Modicon M580 malformed firmware image FTP upgrade denial-of-service vulnerability

References