CVE-2009-1054

CVE-2009-1054 is a critical-severity vulnerability in Ichitaro with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in JustSystems Ichitaro 13, 2004 through 2008, Lite2, and Ichitaro viewer 5.1.5.0 and earlier allows remote attackers to execute arbitrary code via a crafted file, as exploited in the wild by Trojan.Tarodrop.H in March 2009.

Frequently asked questions

What is CVE-2009-1054?
Unspecified vulnerability in JustSystems Ichitaro 13, 2004 through 2008, Lite2, and Ichitaro viewer 5.1.5.0 and earlier allows remote attackers to execute arbitrary code via a crafted file, as exploited in the wild by Trojan.Tarodrop.H in March 2009.
How severe is CVE-2009-1054?
CVE-2009-1054 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1054 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1054?
CVE-2009-1054 primarily affects Ichitaro. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1054?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1054 published?
CVE-2009-1054 was published on 2009-03-24 and last updated on 2026-06-16.

References

Affected products (8)

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