Vulnerability Details CVE-2019-6841
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 firmware with no firmware image inside the package using FTP protocol.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.8%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 4.0
References
Products affected by CVE-2019-6841
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cpe:2.3:h:schneider-electric:modicon_140cra:-
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cpe:2.3:h:schneider-electric:modicon_bmxcra:-
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cpe:2.3:h:schneider-electric:modicon_m340:-
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cpe:2.3:h:schneider-electric:modicon_m580:-
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cpe:2.3:o:schneider-electric:modicon_140cra_firmware:-
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cpe:2.3:o:schneider-electric:modicon_bmxcra_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m340_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m340_firmware:3.01
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cpe:2.3:o:schneider-electric:modicon_m340_firmware:3.10
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cpe:2.3:o:schneider-electric:modicon_m340_firmware:3.20
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:2.10
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:2.12
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:2.30
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:2.41
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:2.80
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:2.90
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cpe:2.3:o:schneider-electric:modicon_m580_firmware:3.10