CVE-2011-1331
HIGH · CVSS 9.3EPSS 5.6%EU EUVD
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.
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 5.6% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1339)
- Published
- July 18, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1339 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro
- justsystems / ichitaro portable
- justsystems / ichitaro pro
- justsystems / ichitaro viewer
- justsystems / ichitaro viewer
- justsystems / ichitaro viewer
- justsystems / ichitaro viewer
- justsystems / ichitaro viewer
- justsystems / ichitaro viewer
References
- http://jvn.jp/en/jp/JVN87239473/index.html
- http://jvndb.jvn.jp/jvndb/JVNDB-2011-000043
- http://secunia.com/advisories/44956(Vendor Advisory)
- http://www.justsystems.com/jp/info/js11001.html(Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/48283
- http://www.symantec.com/connect/blogs/targeted-attacks-2011-using-ichitaro-zero-day-vulnerability(Exploit)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68072
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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