Vulnerability Details CVE-2018-7790
An Information Management Error vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to replay authentication sequences. If an attacker exploits this vulnerability and connects to a Modicon M221, the attacker can upload the original program from the PLC.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.7%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
Products affected by CVE-2018-7790
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cpe:2.3:h:schneider-electric:modicon_m221:-
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cpe:2.3:o:schneider-electric:modicon_m221_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m221_firmware:1.1.1.5