CVE-2011-1331
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through...
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.
Exploit likelihood
What each source reports
NVD Score used
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.
- Record
CVE-2011-1331- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.
- Record
CVE-2011-1331- Updated
- 2026-11-02
EUVDEUVD-2011-1339 No score
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.
- Record
EUVD-2011-1339- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vqhx-m344-7rcj No score
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through...
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.
- Record
GHSA-vqhx-m344-7rcj- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1331 is a high vulnerability (CVSS 9.3) in Justsystems Ichitaro, published July 18, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.56%, the 92nd percentile. No source names a fixed version.
References
secunia.com/advisories/44956
securityfocus.com/bid/48283
jvndb.jvn.jp/jvndb/JVNDB-2011-000043
exchange.xforce.ibmcloud.com/vulnerabilities/68072
justsystems.com/jp/info/js11001.html
symantec.com/connect/blogs/targeted-attacks-2011-using-ichitaro-zero-day-vulnerability
jvn.jp/en/jp/JVN87239473/index.html
nvd.nist.gov/vuln/detail/CVE-2011-1331
github.com/advisories/GHSA-vqhx-m344-7rcj