Vulnerability Monitor

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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.

Security Impact Summary

CVE-2014-2003 is a security vulnerability that . Impacting 2 products from justsystems, from justsystems organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-06-16T14:55:05.457

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.6 (HIGH)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

4.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	justsystems	ichitaro	≤ 2014	Yes
Application	justsystems	ichitaro	10	Yes
Application	justsystems	ichitaro	11	Yes
Application	justsystems	ichitaro	12	Yes
Application	justsystems	ichitaro	13	Yes
Application	justsystems	ichitaro	2004	Yes
Application	justsystems	ichitaro	2005	Yes
Application	justsystems	ichitaro	2006	Yes
Application	justsystems	ichitaro	2006	Yes
Application	justsystems	ichitaro	2007	Yes
Application	justsystems	ichitaro	2007	Yes
Application	justsystems	ichitaro	2008	Yes
Application	justsystems	ichitaro	2008	Yes
Application	justsystems	ichitaro	2009	Yes
Application	justsystems	ichitaro	2009	Yes
Application	justsystems	ichitaro	2009	Yes
Application	justsystems	ichitaro	2010	Yes
Application	justsystems	ichitaro	2010	Yes
Application	justsystems	ichitaro	2011	Yes
Application	justsystems	ichitaro	2011	Yes
Application	justsystems	ichitaro	2012	Yes
Application	justsystems	ichitaro	2013	Yes
Application	justsystems	ichitaro	2013	Yes
Application	justsystems	just_online_update	-	Yes

References

http://jvn.jp/en/jp/JVN50129191/index.html ([email protected])
http://jvndb.jvn.jp/jvndb/JVNDB-2014-000053 ([email protected])
http://www.ipa.go.jp/security/ciadr/vul/20140611-jvn.html ([email protected])
http://www.justsystems.com/jp/info/js14002.html Vendor Advisory ([email protected])
http://jvn.jp/en/jp/JVN50129191/index.html (af854a3a-2127-422b-91ae-364da2661108)
http://jvndb.jvn.jp/jvndb/JVNDB-2014-000053 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ipa.go.jp/security/ciadr/vul/20140611-jvn.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.justsystems.com/jp/info/js14002.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For justsystems's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.