CVE-2014-2003

CVE-2014-2003 is a high-severity vulnerability in Justsystems Ichitaro with a CVSS 2.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

JustSystems JUST Online Update, as used in Ichitaro through 2014 and other products, does not properly validate signatures of update modules, which allows remote attackers to spoof modules and execute arbitrary code via a crafted signature.

Frequently asked questions

What is CVE-2014-2003?
JustSystems JUST Online Update, as used in Ichitaro through 2014 and other products, does not properly validate signatures of update modules, which allows remote attackers to spoof modules and execute arbitrary code via a crafted signature.
How severe is CVE-2014-2003?
CVE-2014-2003 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2014-2003 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-2014-2003?
CVE-2014-2003 primarily affects Justsystems Ichitaro. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2003?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-2003 published?
CVE-2014-2003 was published on 2014-06-16 and last updated on 2026-06-17.

References

Affected products (24)

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