CVE-2013-3644

Unspecified vulnerability in JustSystems Ichitaro 2006 through 2013; Ichitaro Pro through 2; Ichitaro Government 6, 7, and 2006 through 2010; Ichitaro Portable with oreplug; Ichitaro Viewer; and Ichitaro JUST School through 2010 allows remote attackers to execute arbitrary code via a crafted document.

Published: 2013-06-18 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-3644 is rated High Risk (66.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.17%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-3644

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 11.65% 4.17% -7.48%
2 2025-08-22 10.83% 11.65% +0.82%
3 2025-03-30 — 10.83% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-3644

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2013-3644

Affected software / configurations for CVE-2013-3644

Vendor Product Version Raw CPE
justsystems ichitaro 6 cpe:2.3:a:justsystems:ichitaro:6:-:government:*:*:*:*:*
justsystems ichitaro 7 cpe:2.3:a:justsystems:ichitaro:7:-:government:*:*:*:*:*
justsystems ichitaro 2006 cpe:2.3:a:justsystems:ichitaro:2006:*:*:*:*:*:*:*
justsystems ichitaro 2006 cpe:2.3:a:justsystems:ichitaro:2006:-:government:*:*:*:*:*
justsystems ichitaro 2007 cpe:2.3:a:justsystems:ichitaro:2007:*:*:*:*:*:*:*
justsystems ichitaro 2007 cpe:2.3:a:justsystems:ichitaro:2007:-:government:*:*:*:*:*
justsystems ichitaro 2008 cpe:2.3:a:justsystems:ichitaro:2008:*:*:*:*:*:*:*
justsystems ichitaro 2008 cpe:2.3:a:justsystems:ichitaro:2008:-:government:*:*:*:*:*
justsystems ichitaro 2009 cpe:2.3:a:justsystems:ichitaro:2009:*:*:*:*:*:*:*
justsystems ichitaro 2009 cpe:2.3:a:justsystems:ichitaro:2009:-:government:*:*:*:*:*
justsystems ichitaro 2010 cpe:2.3:a:justsystems:ichitaro:2010:*:*:*:*:*:*:*
justsystems ichitaro 2010 cpe:2.3:a:justsystems:ichitaro:2010:-:government:*:*:*:*:*
justsystems ichitaro 2011 cpe:2.3:a:justsystems:ichitaro:2011:*:*:*:*:*:*:*
justsystems ichitaro 2012 cpe:2.3:a:justsystems:ichitaro:2012:*:*:*:*:*:*:*
justsystems ichitaro 2013 cpe:2.3:a:justsystems:ichitaro:2013:*:*:*:*:*:*:*
justsystems ichitaro_just_school — cpe:2.3:a:justsystems:ichitaro_just_school:-:*:*:*:*:*:*:*
justsystems ichitaro_portable — cpe:2.3:a:justsystems:ichitaro_portable:-:oreplug:*:*:*:*:*:*
justsystems ichitaro_viewer — cpe:2.3:a:justsystems:ichitaro_viewer:-:*:*:*:*:*:*:*

References for CVE-2013-3644

cvelogic Threat Intelligence