CVE-2018-20818
N/A
Published: April 21, 2019 at 07:50 PM UTC
Updated: June 17, 2026 at 01:53 AM UTC
4 products affected across 1 vendorOpenplc V3 FirmwareOpenplc V2 FirmwareOpenPLC_v3
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Severity
N/A
Exploit prediction
EPSS 2%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
All versions
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
Quick Info
StatusMODIFIED
CWE
CWE-119
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