CVE-2011-1331
High PUBLISHEDJustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Jul 18, 2011
- Exploitation Reported
- Jul 18, 2011
- CVSS
- 9.3 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- 44956 secunia.com · Third-Party Advisory http://secunia.com/advisories/44956
- JVNDB-2011-000043 jvndb.jvn.jp · Third-Party Advisory http://jvndb.jvn.jp/jvndb/JVNDB-2011-000043
- JVN#87239473 jvn.jp · Third-Party Advisory http://jvn.jp/en/jp/JVN87239473/index.html
- 48283 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/48283
- ichitaro-unspec-bo(68072) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/68072
Show 2 more references
- justsystems.com/jp/info/js11001.html justsystems.com · CVE Record http://www.justsystems.com/jp/info/js11001.html
- symantec.com/connect/blogs/targeted-attacks-2011-using-ic... symantec.com · CVE Record http://www.symantec.com/connect/blogs/targeted-attacks-2011-using-ich...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2011-07-18 22:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2011-07-18 22:00:00 UTC · CVE
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
22:00 UTC almost 15 years ago22:00 UTC · almost 15 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
22:00 UTC almost 15 years ago22:00 UTC · almost 15 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 15 years ago00:00 UTC · over 15 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2011-1331
{
"cve_id": "CVE-2011-1331",
"title": "JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Gover...",
"affected_vendor": "JustSystems",
"affected_product": "Ichitaro",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.3,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}