What’s Vulnerable › Vulnerabilities

CVE-2020-7479

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-23 · updated 2026-06-17
• Weakness: CWE-306

Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.

Affected products

• Interactive Graphical SCADA System (IGSS) Definition (Def.exe) V15.0.0.21041 and prior: from 14.0 before 14.0.0.20009 — fixed in 14.0.0.20009

How to fix

Upgrade to a fixed version: Interactive Graphical SCADA System (IGSS) Definition (Def.exe) V15.0.0.21041 and prior 14.0.0.20009. Check the vendor advisory for mitigations.

References

• https://www.se.com/ww/en/download/document/SEVD-2020-070-01/
• https://www.zerodayinitiative.com/advisories/ZDI-20-370/
• https://www.se.com/ww/en/download/document/SEVD-2020-070-01/
• https://www.zerodayinitiative.com/advisories/ZDI-20-370/

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