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.
CVE-2011-4033
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 74.2%
- KEV
- Not listed
Published
December 2, 2011
Last Modified
April 29, 2026
References (6)
- cret@certhttp://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695
- cret@certhttp://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page
- cret@certhttp://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf
- af854a3a-2127-422b-91ae-364da2661108http://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695
- af854a3a-2127-422b-91ae-364da2661108http://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Related CVEs(same CWE)
Same CWE
10 shownCWE-119
Frequently asked(4)
What is CVE-2011-4033?
CVE-2011-4033 is a none vulnerability published on December 2, 2011. 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.
When was CVE-2011-4033 disclosed?
CVE-2011-4033 was first published in the National Vulnerability Database on December 2, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-4033 actively exploited?
CVE-2011-4033 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-4033?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4033, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2011-4033
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