Name: CVE-2018-20818: Improper Restriction of Operations within the Bounds of a Memory Buffer
Creator: Rapid7
Published: 2019-04-21T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2018-20818, CWE-119, CVSS 9.8, EPSS 0.00459

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.

CVSS Details

CVSS 3.0 Base Score: 9.8
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

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CVSS Details

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