CVE-2011-4033: Schneider Electric Citecthistorian

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

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.

Affected products

• Schneider Electric Citecthistorian: up to and including 4.30; version 4.20 only
• Schneider Electric Citectscada Reports: up to and including 4.10; version 4.0 only
• Schneider Electric Vijeo Historian: up to and including 4.30; version 4.0 only; version 4.10 only; version 4.20 only

Published 2011-12-02. Last modified 2026-06-16.