Security readout for executives and security teams
This issue affects Schneider Electric IGSS Definition when a malicious CGF file is imported. It could cause data loss or remote code execution. The public bundle does not provide CVSS scoring, confirmed exploitation, or a named fixed version, so urgency should be driven by whether IGSS Definition handles external CGF files. Exposure is most likely on engineering or operations workstations running IGSS Definition (Def.exe) V15.0.0.21140 or earlier, especially where users import CGF files from vendors, contractors, backups, or shared project repositories. Prioritize review where IGSS supports operational or industrial environments and imports third-party project files. Treat as high impact but evidence-limited: there is possible remote code execution, but no cited active exploitation or CVSS score in the bundle. Mitigation focus: Check Schneider Electric advisory SEVD-2021-159-01 for official update or mitigation guidance.; Avoid importing CGF files from untrusted or unverified sources.; Restrict IGSS Definition use to authorized engineering users and trusted workstations..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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-2021-22759 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.