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.
References
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-04-21T19:50:39

Updated: 2024-08-05T12:12:27.603Z

Reserved: 2019-04-21T00:00:00

Link: CVE-2018-20818

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2019-04-22T11:29:01.970

Modified: 2019-04-23T14:55:45.570

Link: CVE-2018-20818

cve-icon Redhat

No data.