CVE-2019-6842

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
schneiderCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
VendorProductVersion
schneider-electricmodicon_m580_firmware
*
schneider-electricmodicon_m340_firmware
*
schneider-electricmodicon_bmxcra_firmware
*
schneider-electricmodicon_140cra_firmware
*
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.se.com/ww/en/download/document/SEVD-2019-281-02/
https://www.se.com/ww/en/download/document/SEVD-2019-281-02/