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CVE-2021-22755: A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior tha...

A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in disclosure of information or remote code execution due to lack of sanity checks on user-supplied data, when a malicious CGF file is imported to IGSS Definition.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2021-22755 affects IGSS Definition (Def.exe) V15.0.0.21140 and earlier. Importing a malicious CGF file can trigger memory corruption that may disclose information or allow remote code execution. The business risk is highest where staff import project or configuration files from outside trusted channels. Exposure is likely limited to environments running IGSS Definition (Def.exe) V15.0.0.21140 or earlier, especially engineering workstations that import CGF files. Systems not using IGSS Definition or not accepting CGF imports are not shown as affected by the provided sources. Prioritize validation if IGSS Definition is used in operational or engineering environments. The potential impact includes remote code execution, but evidence in the bundle does not confirm exploitation or provide a CVSS score. Mitigation focus: Inventory IGSS Definition installations and identify versions V15.0.0.21140 or earlier.; Check Schneider Electric advisory SEVD-2021-159-01 for official update or workaround guidance.; Restrict CGF imports to files from verified, trusted sources only..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-787: Exact CWE lookup

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description · low confidence lookup

Execution 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.

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cve · low confidence lookup

CVE-2021-22755 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aIGSS Definition (Def.exe) V15.0.0.21140 and priorIGSS Definition (Def.exe) V15.0.0.21140 and priorListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.