CVE-2020-7556
HIGHCVSS 7.8/10EPSS 2.37%
Last modified
CVE-2020-7556 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 2.37% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Interactive Graphical Scada System | <= 14.0.0.20247 |
References
- https://www.se.com/ww/en/download/document/SEVD-2020-315-03/Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-095/Third Party Advisory, VDB Entry
- https://www.se.com/ww/en/download/document/SEVD-2020-315-03/Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-095/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-7556?
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.
How severe is CVE-2020-7556?
CVE-2020-7556 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.37% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7556?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-7556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST