CVE-2021-22709

Name: CVE-2021-22709
Creator: NVD / NIST
Published: 2021-03-11T21:15:12.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.00%

Last modified Jun 17, 2026

CVE-2021-22709 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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 loss of data or remote code execution when malicious CGF (Configuration Group File) file is imported to IGSS Definition.. EPSS estimates a 2.00% chance of exploitation in the next 30 days.

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 loss of data or remote code execution when malicious CGF (Configuration Group File) file is imported to IGSS Definition.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

2.00%

78.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Schneider-Electric	Interactive Graphical Scada System	<= 15.0.0.21041

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-068-01Patch, Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2021-068-01Broken Link, Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-068-01Patch, Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2021-068-01Broken Link, Vendor Advisory

Timeline

Published: Mar 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22709?

How severe is CVE-2021-22709?

CVE-2021-22709 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.00% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22709?

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.

Are you affected by CVE-2021-22709?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST