CVE-2014-2003

high
Published 2014-06-16 · Modified 2026-05-06
CVSS v3
CVSS v2
7.6
VIR risk
7.6

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: vultures@jpcert.or.jp — http://www.justsystems.com/jp/info/js14002.html

Application impact

VendorProductVersionsFixed
justsystemsichitaro{"endIncluding":"2014"}
justsystemsichitaro10
justsystemsichitaro11
justsystemsichitaro12
justsystemsichitaro13
justsystemsichitaro2004
justsystemsichitaro2005
justsystemsichitaro2006
justsystemsichitaro2007
justsystemsichitaro2008
justsystemsichitaro2009
justsystemsichitaro2010
justsystemsichitaro2011
justsystemsichitaro2012
justsystemsichitaro2013
justsystemsjust_online_update-

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.