{"cve":{"cve_id":"CVE-2011-0340","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.32349,"epss_percentile":0.98099,"epss_as_of":"2026-06-23","description":"Multiple buffer overflows in the ISSymbol ActiveX control in ISSymbol.ocx 61.6.0.0 and 301.1009.2904.0 in the ISSymbol virtual machine, as distributed in Advantech Studio 6.1 SP6 61.6.01.05, InduSoft Web Studio before 7.0+SP1, and InduSoft Thin Client 7.0, allow remote attackers to execute arbitrary code via a long (1) InternationalOrder, (2) InternationalSeparator, or (3) LogFileName property value; or (4) a long bstrFileName argument to the OpenScreen method.","published_at":"2011-05-04T22:00:00Z","last_modified_at":"2026-06-16T23:27:12.117000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-119"],"nvd_references":["http://secunia.com/advisories/43116","http://www.securityfocus.com/bid/47596","http://secunia.com/secunia_research/2011-37/","http://www.vupen.com/english/advisories/2011/1116","http://ics-cert.us-cert.gov/advisories/ICSA-12-249-03","http://secunia.com/advisories/42928","http://www.us-cert.gov/control_systems/pdf/ICSA-12-137-02.pdf","http://www.vupen.com/english/advisories/2011/1115","http://www.indusoft.com/hotfixes/hotfixes.php","http://secunia.com/secunia_research/2011-36/","http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:05:45.000949Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"advantech","vendor_name":"Advantech","product_slug":"advantech-studio","product_name":"advantech_studio","version_start":"6.1","version_start_inclusive":true,"version_end":"6.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:advantech:advantech_studio:6.1:sp6_61.6.01.05:*:*:*:*:*:*"},{"vendor_slug":"indusoft","vendor_name":"InduSoft","product_slug":"thin-client","product_name":"thin_client","version_start":"7.0","version_start_inclusive":true,"version_end":"7.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:indusoft:thin_client:7.0:*:*:*:*:*:*:*"},{"vendor_slug":"indusoft","vendor_name":"InduSoft","product_slug":"web-studio","product_name":"Web Studio","version_start":null,"version_start_inclusive":null,"version_end":"7.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:indusoft:web_studio:*:*:*:*:*:*:*:*"},{"vendor_slug":"indusoft","vendor_name":"InduSoft","product_slug":"web-studio","product_name":"Web Studio","version_start":"6.1","version_start_inclusive":true,"version_end":"6.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:indusoft:web_studio:6.1:*:*:*:*:*:*:*"},{"vendor_slug":"indusoft","vendor_name":"InduSoft","product_slug":"web-studio","product_name":"Web Studio","version_start":"6.1","version_start_inclusive":true,"version_end":"6.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:indusoft:web_studio:6.1:sp6:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://secunia.com/advisories/43116","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securityfocus.com/bid/47596","source_type":"MISC","tags":[]},{"url":"http://secunia.com/secunia_research/2011-37/","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2011/1116","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://ics-cert.us-cert.gov/advisories/ICSA-12-249-03","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/42928","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-12-137-02.pdf","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2011/1115","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.indusoft.com/hotfixes/hotfixes.php","source_type":"MISC","tags":["patch"]},{"url":"http://secunia.com/secunia_research/2011-36/","source_type":"MISC","tags":[]},{"url":"http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm","source_type":"MISC","tags":["patch"]}],"timeline":[{"type":"published","at":"2011-05-04T22:00:00Z","label":"CVE published","source":null}]}