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CVE Record

CVE-2018-7521: In Omron CX-Supervisor Versions 3.30 and prior, use after free vulnerabilities can be exploited when CX Sup...

In Omron CX-Supervisor Versions 3.30 and prior, use after free vulnerabilities can be exploited when CX Supervisor parses a specially crafted project file.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-7521 affects Omron CX-Supervisor version 3.30 and earlier. A malicious project file can trigger a use-after-free condition when opened or parsed. The supplied sources do not provide CVSS, confirmed patch details, or active exploitation evidence, so urgency depends on whether the software handles untrusted project files. Exposure is most likely on engineering or operator workstations running Omron CX-Supervisor 3.30 or earlier, especially where project files are received from third parties, shared drives, removable media, or unmanaged internal sources. Prioritize inventory and vendor-guidance review if Omron CX-Supervisor is used in operational environments. Business risk is unclear from the bundle, but malicious project files can create a practical workstation compromise path. Mitigation focus: Identify CX-Supervisor installations and versions across engineering workstations.; Check Omron and CISA advisory guidance for fixed versions or mitigations.; Restrict opening project files from untrusted or unmanaged sources..

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-416: Exact CWE lookup

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cve · low confidence lookup

CVE-2018-7521 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
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
ICS-CERTOmron CX-SupervisorVersion 3.30 and priorListed
Weakness

CWE details

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

CWE-416 · source CWE mapping

Use After Free

Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.