CVE-2019-6842
MEDIUMModicon M580, M340, BMxCRA, and 140CRA Firmware - Denial of Service via FTP Firmware Upgrade
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.se.com/ww/en/download/document/SEVD-2019-281-02/
Scores
CVSS v3
4.9
EPSS
0.0036
EPSS Percentile
58.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-755
Status
published
Products (4)
schneider-electric/modicon_140cra_firmware
schneider-electric/modicon_bmxcra_firmware
schneider-electric/modicon_m340_firmware
schneider-electric/modicon_m580_firmware
Published
Oct 29, 2019
Tracked Since
Feb 18, 2026