Security readout for executives and security teams
This CVE affects older JustSystems Ichitaro document software and related editions/viewers. A maliciously crafted document can cause arbitrary code execution, meaning an attacker may gain control in the context of the user who opens it. Severity data is not provided, but the impact is serious for organizations still running these legacy products. Exposure is most likely on endpoints that still have affected legacy Ichitaro products, Ichitaro Viewer, Ichitaro Portable with oreplug, or government/pro editions installed. Risk depends on whether users can receive and open untrusted Ichitaro documents. Prioritize if the organization uses Japanese document workflows, government archives, or legacy JustSystems software. For most environments, urgency depends on confirmed installation presence. If present, handle as a high-impact legacy endpoint risk because compromise requires only a malicious document being opened. Mitigation focus: Inventory endpoints for affected Ichitaro products and editions.; Check JustSystems JS13003 and JVN guidance for available fixes or workarounds.; Retire or isolate affected legacy installations if unsupported..
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-2013-5990 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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