CVE-2011-4034

critical

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 execute arbitrary code or cause a denial of service via unspecified vectors.

References

http://www.us-cert.gov/control_systems/pdf/ICSA-11-307-01.pdf

http://www.scada.schneider-electric.com/sites/scada/en/login/historian-vulnerability.page

http://www.citect.com/index.php?option=com_content&view=article&id=1656&Itemid=1695

Details

Source: Mitre, NVD

Published: 2011-12-02

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.13937