{"id":"CVE-2011-4033","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4033","generatedAt":"2026-10-27T19:45:19.094Z","title":"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…","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":"2011-12-02T11:55:05.000Z","lastModified":"2026-06-16T23:34:19.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-119"],"affected":["schneider-electric/vijeo historian","schneider-electric/citecthistorian","schneider-electric/citectscada reports"],"epss":{"score":0.01546,"percentile":0.74819,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.55%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695","source":"cret@cert.org"},{"url":"http://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page","source":"cret@cert.org"},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf","tags":["US Government Resource"],"source":"cret@cert.org"},{"url":"http://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4033","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}