Vulnerability Details CVE-2018-20818
A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2018-20818
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cpe:2.3:h:openplcproject:openplc_v2:-
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cpe:2.3:h:openplcproject:openplc_v3:-
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cpe:2.3:o:openplcproject:openplc_v2_firmware:-
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cpe:2.3:o:openplcproject:openplc_v3_firmware:-