What is CVE-2021-22756?

CVE-2021-22756 is a vulnerability in Schneider-electric Interactive Graphical Scada System (IGSS) Definition (Def.exe) V15.0.0.21140 and prior versions that allows for an out-of-bounds read, potentially leading to the disclosure of information or remote code execution.

What is the severity of CVE-2021-22756?

The severity of CVE-2021-22756 is high, with a score of 7.8 out of 10.

How does CVE-2021-22756 occur?

CVE-2021-22756 occurs due to a lack of user-supplied data validation when importing a malicious CGF file to IGSS Definition.

What software versions are affected by CVE-2021-22756?

Schneider-electric Interactive Graphical Scada System (IGSS) Definition (Def.exe) V15.0.0.21140 and prior versions are affected by CVE-2021-22756.

How can CVE-2021-22756 be mitigated?

To mitigate CVE-2021-22756, it is recommended to update IGSS Definition to a version that includes the necessary security patches or fixes provided by Schneider Electric.

Vulnerability/
CVE-2021-22756

high

7.8

CWE

125

11/6/2021

3/8/2024

CVE-2021-22756

First published: Fri Jun 11 2021(Updated: )

A CWE-125: Out-of-bounds read vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in disclosure of information or remote code execution due to lack of user-supplied data validation, when a malicious CGF file is imported to IGSS Definition.

Credit: cybersecurity@se.com

Affected Software	Affected Version	How to fix
Schneider-electric Interactive Graphical Scada System	<=15.0.0.21140

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Reference Links

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-01

Frequently Asked Questions

What is CVE-2021-22756?
CVE-2021-22756 is a vulnerability in Schneider-electric Interactive Graphical Scada System (IGSS) Definition (Def.exe) V15.0.0.21140 and prior versions that allows for an out-of-bounds read, potentially leading to the disclosure of information or remote code execution.
What is the severity of CVE-2021-22756?
The severity of CVE-2021-22756 is high, with a score of 7.8 out of 10.
How does CVE-2021-22756 occur?
CVE-2021-22756 occurs due to a lack of user-supplied data validation when importing a malicious CGF file to IGSS Definition.
What software versions are affected by CVE-2021-22756?
Schneider-electric Interactive Graphical Scada System (IGSS) Definition (Def.exe) V15.0.0.21140 and prior versions are affected by CVE-2021-22756.
How can CVE-2021-22756 be mitigated?
To mitigate CVE-2021-22756, it is recommended to update IGSS Definition to a version that includes the necessary security patches or fixes provided by Schneider Electric.

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