What’s Vulnerable › Vulnerabilities

CVE-2020-7557

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% 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-125

Description

A CWE-125 Out-of-bounds Read 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-21-096/
• https://www.se.com/ww/en/download/document/SEVD-2020-315-03/
• https://www.zerodayinitiative.com/advisories/ZDI-21-096/

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