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CVE Record

CVE-2009-4738: Unspecified vulnerability in JustSystems Corporation ATOK 2006 through 2009 and ATOK flat-rate service, and...

Unspecified vulnerability in JustSystems Corporation ATOK 2006 through 2009 and ATOK flat-rate service, and Just Smile 4 with the ATOK Smile module, allows physically proximate users to bypass the screen lock and execute commands with system privileges via unknown vectors related to "launching external applications."

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old local-access flaw in JustSystems ATOK products. A person with physical access to a locked computer could bypass the screen lock and run commands with system privileges through external application launching behavior. The sources do not provide CVSS scoring, exploit details, or confirmed active exploitation. Exposure is most likely on legacy Japanese-language Windows endpoints, school or shared computers, kiosks, or physically accessible systems still running the listed ATOK components. Modern fleets are unlikely to be affected unless old JustSystems software remains installed. Treat this as a targeted legacy endpoint risk rather than an internet-wide emergency. Prioritize removal or vendor-guided remediation if affected software exists on physically accessible or shared systems. Mitigation focus: Inventory endpoints for the listed JustSystems ATOK and Just Smile components.; Review JustSystems and JVN advisories for official updates or workarounds.; Retire unsupported affected versions where business use no longer requires them..

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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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/an/an/aListed
Weakness

CWE details

No CWE listed

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