Cyber Resilience

CVE-2021-22759

High

Published: 11 June 2021

Published
11 June 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0051 66.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22759 is a high-severity Use After Free (CWE-416) vulnerability in Schneider-Electric Interactive Graphical Scada System. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 33.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A CWE-416: Use after free 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 use of unchecked input data, when a malicious CGF file is imported to IGSS…

more

Definition.

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

schneider-electric
interactive graphical scada system
≤ 15.0.0.21140

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References