CVE-2021-22711 Memory corruption in Interactive Graphical SCADA System (IGSS) Definition (Def.exe) V15.0.0.21041 and prior

High 7.8 Published 11 Mar 2021 Updated 3 Aug 2024

Attackers can achieve arbitrary read or write conditions by importing a malicious configuration file into IGSS Definition due to missing input validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-22711?

CVE-2021-22711 is a high-severity memory corruption vulnerability in Interactive Graphical SCADA System (IGSS) Definition (Def.exe) V15.0.0.21041 and prior, published on 11 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A CWE-119:Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Interactive Graphical SCADA System (IGSS) Definition (Def.exe) V15.0.0.21041 and prior, which could result in arbitrary read or write conditions when malicious CGF (Configuration Group File) file is imported to IGSS Definition due to missing validation of input data.

Weakness: CWE-119

Which versions are affected by CVE-2021-22711?

It affects 1 product.

Products include Schneider-Electric Interactive Graphical Scada System.

How do I fix CVE-2021-22711?

No fix has been published for CVE-2021-22711 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-22711 being exploited?

There is no known exploitation of CVE-2021-22711 in the wild and no public exploit code.

Sources

Also known as GHSA-27cr-vrc4-8c94.