CVE-2019-6842

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with a missing web server image inside the package using FTP protocol.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-755

Affected software

VendorProductVersions
n/aModicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)

References

Timeline

Published
Oct 29, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-68434.9A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware (version prior to V3.10), Modicon CVE-2019-68444.9A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modulesCVE-2019-68457.5A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists in Modicon M580, Modicon M340, Modicon Premium , Modicon QuaCVE-2019-68466.5A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modCVE-2019-68474.9A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modulesCVE-2019-68488.6A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 CPU (BMEx58*) and Modicon M580 communication modCVE-2019-68497.5A CWE-200: Information Exposure vulnerability exists in Modicon M580, Modicon BMENOC 0311, and Modicon BMENOC 0321, which could cause the diCVE-2019-68507.5A CWE-200: Information Exposure vulnerability exists in Modicon M580, Modicon BMENOC 0311, and Modicon BMENOC 0321, which could cause the diCVE-2019-68517.5A CWE-538: File and Directory Information Exposure vulnerability exists in Modicon M580, Modicon M340, Modicon Premium , Modicon Quantum (alCVE-2019-68527.5A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium coCVE-2019-68536.1A CWE-79: Failure to Preserve Web Page Structure vulnerability exists in Andover Continuum (models 9680, 5740 and 5720, bCX4040, bCX9640, 99CVE-2019-68547.8A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases
CVE-2019-6842: Medium severity, CVSS 4.9 | Vulnix