Security readout for executives and security teams
This vulnerability affects older JustSystems Ichitaro document products and can let an attacker run code if a user opens a specially crafted document. That makes it a workstation compromise risk, but the source bundle does not provide CVSS scoring or confirmed active exploitation. Exposure is most likely on endpoints that still have the listed legacy JustSystems products installed, including Ichitaro 2006-2013, Pro through 2, Government editions, Viewer, Portable with oreplug, or JUST School through 2010. Treat this as a targeted legacy-software cleanup issue with high impact if affected products remain in use. Prioritize systems receiving external documents, executive workstations, and business units that still rely on Ichitaro formats. Mitigation focus: Check JustSystems and JVN guidance for the vendor-supported update or workaround.; Inventory and remove unsupported affected Ichitaro products where no business need remains.; Avoid opening untrusted Ichitaro documents on affected systems..
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
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2013-3644 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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
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