Security readout for executives and security teams
CVE-2021-22757 affects Schneider Electric IGSS Definition. A malicious CGF file imported into Def.exe could trigger memory handling failure, potentially exposing information or enabling remote code execution. The source bundle does not provide CVSS scoring or confirmed exploitation. Exposure is likely limited to environments using IGSS Definition Def.exe V15.0.0.21140 or earlier, especially where users import CGF project or configuration files from external or untrusted sources. Treat as a high-priority operational technology workstation risk if IGSS Definition is present. The risk is driven by potential code execution, but exploitation appears to require malicious file import and no active exploitation is cited. Mitigation focus: Identify all IGSS Definition installations and Def.exe versions.; Avoid importing CGF files from untrusted or external sources.; Restrict CGF import permissions to trusted administrative users..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-125: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-22757 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.