{"cve":{"cve_id":"CVE-2011-4033","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":0.01684,"epss_percentile":0.74007,"epss_as_of":"2026-06-23","description":"Buffer overflow in the Steema TeeChart ActiveX control, as used in Schneider Electric Vijeo Historian 4.30 and earlier, CitectHistorian 4.30 and earlier, and CitectSCADAReports 4.10 and earlier, allows remote attackers to cause a denial of service via unspecified vectors.","published_at":"2011-12-02T11:00:00Z","last_modified_at":"2026-06-16T23:34:19.183000Z","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://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page","http://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf","http://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695"],"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":"2026-06-28T23:06:01.019248Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"citecthistorian","product_name":"citecthistorian","version_start":null,"version_start_inclusive":null,"version_end":"4.30","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:citecthistorian:*:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"citecthistorian","product_name":"citecthistorian","version_start":"4.20","version_start_inclusive":true,"version_end":"4.20","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:citecthistorian:4.20:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"citectscada-reports","product_name":"citectscada_reports","version_start":"4.0","version_start_inclusive":true,"version_end":"4.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:citectscada_reports:4.0:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"citectscada-reports","product_name":"citectscada_reports","version_start":null,"version_start_inclusive":null,"version_end":"4.10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:citectscada_reports:*:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"vijeo-historian","product_name":"vijeo_historian","version_start":"4.10","version_start_inclusive":true,"version_end":"4.10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:vijeo_historian:4.10:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"vijeo-historian","product_name":"vijeo_historian","version_start":"4.0","version_start_inclusive":true,"version_end":"4.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:vijeo_historian:4.0:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"vijeo-historian","product_name":"vijeo_historian","version_start":null,"version_start_inclusive":null,"version_end":"4.30","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:vijeo_historian:*:*:*:*:*:*:*:*"},{"vendor_slug":"schneider-electric","vendor_name":"Schneider Electric","product_slug":"vijeo-historian","product_name":"vijeo_historian","version_start":"4.20","version_start_inclusive":true,"version_end":"4.20","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:schneider-electric:vijeo_historian:4.20:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page","source_type":"MISC","tags":[]},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf","source_type":"MISC","tags":[]},{"url":"http://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2011-12-02T11:00:00Z","label":"CVE published","source":null}]}