CVE-2011-4034

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.

Published: 2011-12-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4034 is rated High Risk (76.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 55.83%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +51.40% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-4034

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-10-08 4.42% 55.83% +51.40%
2 2025-08-02 5.72% 4.42% -1.30%
3 2025-03-30 — 5.72% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4034

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2011-4034

Affected software / configurations for CVE-2011-4034

Vendor Product Version Raw CPE
schneider-electric vijeo_historian <= 4.30 cpe:2.3:a:schneider-electric:vijeo_historian:*:*:*:*:*:*:*:*
schneider-electric vijeo_historian 4.0 cpe:2.3:a:schneider-electric:vijeo_historian:4.0:*:*:*:*:*:*:*
schneider-electric vijeo_historian 4.10 cpe:2.3:a:schneider-electric:vijeo_historian:4.10:*:*:*:*:*:*:*
schneider-electric vijeo_historian 4.20 cpe:2.3:a:schneider-electric:vijeo_historian:4.20:*:*:*:*:*:*:*
schneider-electric citecthistorian <= 4.30 cpe:2.3:a:schneider-electric:citecthistorian:*:*:*:*:*:*:*:*
schneider-electric citecthistorian 4.20 cpe:2.3:a:schneider-electric:citecthistorian:4.20:*:*:*:*:*:*:*
schneider-electric citectscada_reports <= 4.10 cpe:2.3:a:schneider-electric:citectscada_reports:*:*:*:*:*:*:*:*
schneider-electric citectscada_reports 4.0 cpe:2.3:a:schneider-electric:citectscada_reports:4.0:*:*:*:*:*:*:*

References for CVE-2011-4034

cvelogic Threat Intelligence