CVE-2020-7553

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-19 · updated 2026-06-17
Weakness: CWE-787

Description

A CWE-787 Out-of-bounds Write vulnerability exists in IGSS Definition (Def.exe) version 14.0.0.20247 that could cause Remote Code Execution when malicious CGF (Configuration Group File) file is imported to IGSS Definition.

Affected products

Interactive Graphical SCADA System (IGSS) Definition (Def.exe) V15.0.0.21041 and prior: through 14.0.0.20247

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-03/
https://www.zerodayinitiative.com/advisories/ZDI-21-124/
https://www.se.com/ww/en/download/document/SEVD-2020-315-03/
https://www.zerodayinitiative.com/advisories/ZDI-21-124/

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