Medium severity4.9NVD Advisory· Published Oct 29, 2019· Updated Jun 17, 2026
CVE-2019-6844
CVE-2019-6844
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 atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.
Affected products
8- cpe:2.3:o:schneider-electric:modicon_140cra_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_bmxcra_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*
- Schneider Electric/Modicon M580, Modicon M340, Modicon BMxCRA and 140CRAdescription
- Range: all firmware versions
- Range: all firmware versions
- Range: all firmware versions
Patches
Vulnerability mechanics
References
1- www.se.com/ww/en/download/document/SEVD-2019-281-02/nvdVendor Advisory
News mentions
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