How severe is CVE-2021-22758?

CVE-2021-22758 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-22758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22758?

CVE-2021-22758 affects Schneider-electric Interactive Graphical Scada System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-22758 published?

CVE-2021-22758 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-22758

CVE-2021-22758 is a high-severity vulnerability in Schneider-electric Interactive Graphical Scada System with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-824.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-824
Affected product: Schneider-electric Interactive Graphical Scada System
Published: 2021-06-11
Last modified: 2026-06-17

Description

A CWE-824: Access of uninitialized pointer vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in loss of data or remote code execution due to lack validation of user-supplied input data, when a malicious CGF file is imported to IGSS Definition.

Frequently asked questions

What is CVE-2021-22758?: A CWE-824: Access of uninitialized pointer vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in loss of data or remote code execution due to lack validation of user-supplied input data, when a malicious CGF file is imported to IGSS Definition.
How severe is CVE-2021-22758?: CVE-2021-22758 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-22758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22758?: CVE-2021-22758 affects Schneider-electric Interactive Graphical Scada System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-22758 published?: CVE-2021-22758 was published on 2021-06-11 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:*

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