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CVE Record

CVE-2020-7552: A CWE-787: Out-of-bounds Write vulnerability exists in IGSS Definition (Def.exe) version 14.0.0.20247, that...

A CWE-787: Out-of-bounds Write vulnerability exists in IGSS Definition (Def.exe) version 14.0.0.20247, that could cause Remote Code Execution when malicious CGF (Configuration Group File) file is imported to IGSS Definition.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-7552 affects IGSS Definition (Def.exe) version 14.0.0.20247. A malicious CGF configuration file imported into the tool could trigger memory corruption and potentially run attacker-controlled code. This appears to require someone or some workflow to import a malicious file; the provided sources do not show active exploitation.

Executive priority

Prioritize review where IGSS engineering workstations support production operations or receive configuration files from outside trusted channels. Business urgency is driven by potential code execution in an industrial software workflow, but the provided sources do not show known exploitation.

Technical view

The CVE describes a CWE-787 out-of-bounds write in IGSS Definition (Def.exe) 14.0.0.20247. The vulnerable path is CGF import into IGSS Definition, with stated impact of remote code execution. No CVSS vector, exploit details, or confirmed fixed version are included in the provided bundle.

Likely exposure

Exposure is most likely on engineering or operations workstations running the specified IGSS Definition version and handling CGF configuration files. Risk depends on whether untrusted or externally supplied CGF files can reach users or import workflows.

Exploitation context

The source bundle supports malicious-file import as the trigger. It does not support unauthenticated network exploitation, active exploitation, public exploit availability, or KEV listing. Treat this as user-assisted or workflow-assisted code execution unless vendor guidance says otherwise.

Researcher notes

Evidence is limited to the CVE record and Schneider Electric reference. The key validation gap is vendor remediation detail: confirm affected build scope, fixed versions, and any compensating controls from SEVD-2020-315-03 before making remediation claims.

Mitigation direction

  • Identify systems running IGSS Definition Def.exe version 14.0.0.20247.
  • Review Schneider Electric advisory SEVD-2020-315-03 for vendor-approved remediation.
  • Do not import CGF files from untrusted or unverified sources.
  • Restrict IGSS Definition access to authorized engineering users only.
  • Use change control for CGF file receipt, validation, and import.

Validation and detection

  • Inventory Def.exe versions on IGSS engineering workstations.
  • Confirm whether CGF files are received from vendors, email, or shared drives.
  • Review recent CGF imports for unknown or untrusted origins.
  • Check security telemetry for Def.exe crashes or unusual child processes.
  • Record remediation status against Schneider Electric advisory guidance.
Prepared
Confidence
medium
Sources
3

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

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

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cwe · low confidence lookup

CWE-787: 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.

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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-2020-7552 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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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
2Source 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) version 14.0.0.20247IGSS Definition (Def.exe) version 14.0.0.20247Listed
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.