What’s Vulnerable › Vulnerabilities

CVE-2014-2003

• Severity: high (CVSS 7.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-06-16 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• JustSystems Ichitaro: through 2014; 10, 11, 12, 13, 2004, 2005 (+8)
• JustSystems Just Online Update: all versions

References

• http://jvn.jp/en/jp/JVN50129191/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2014-000053
• http://www.ipa.go.jp/security/ciadr/vul/20140611-jvn.html
• http://www.justsystems.com/jp/info/js14002.html
• http://jvn.jp/en/jp/JVN50129191/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2014-000053
• http://www.ipa.go.jp/security/ciadr/vul/20140611-jvn.html
• http://www.justsystems.com/jp/info/js14002.html

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