A CWE-787: Out-of-bounds Write vulnerability exists in Interactive Graphical SCADA System (IGSS), Version 14 and prior, which could cause a software crash when data in the mdb database is manipulated.
https://www.zerodayinitiative.com/advisories/ZDI-19-671/
https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-190-02