{"cve":"CVE-2011-1331","nvd":{"published":"2011-07-18T22:55:01.033","modified":"2026-06-16T23:29:10.200","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://jvn.jp/en/jp/JVN87239473/index.html","http://jvndb.jvn.jp/jvndb/JVNDB-2011-000043","http://secunia.com/advisories/44956","http://www.justsystems.com/jp/info/js11001.html","http://www.securityfocus.com/bid/48283"],"products":["justsystems:ichitaro","justsystems:ichitaro_portable","justsystems:ichitaro_pro","justsystems:ichitaro_viewer"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1331","score":0.05564,"percentile":0.9286,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}