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

047910
CVSS 4.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
SINGLE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
low complexity
schneider-electric
CWE-755

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.

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