How severe is CVE-2011-4034?

CVE-2011-4034 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-4034 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4034?

CVE-2011-4034 primarily affects Schneider-electric Vijeo Historian. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4034?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-4034 published?

CVE-2011-4034 was published on 2011-12-02 and last updated on 2026-06-16.

CVE-2011-4034

CVE-2011-4034 is a critical-severity vulnerability in Schneider-electric Vijeo Historian with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Schneider-electric Vijeo Historian
Published: 2011-12-02
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-4034?: CVE-2011-4034 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-4034 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4034?: CVE-2011-4034 primarily affects Schneider-electric Vijeo Historian. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4034?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-4034 published?: CVE-2011-4034 was published on 2011-12-02 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:schneider-electric:vijeo_historian:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:vijeo_historian:4.0:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:vijeo_historian:4.10:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:vijeo_historian:4.20:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:citecthistorian:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:citecthistorian:4.20:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:citectscada_reports:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:citectscada_reports:4.0:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Vijeo Historian

CVE-2011-4036 — Medium (CVSS 5.0): Directory traversal vulnerability in Schneider Electric Vijeo Historian 4.30 and earlier, CitectHistorian 4.30 and…
CVE-2011-4035 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in Schneider Electric Vijeo Historian 4.30 and earlier, CitectHistorian 4.30…
CVE-2011-4033 — Medium (CVSS 4.3): Buffer overflow in the Steema TeeChart ActiveX control, as used in Schneider Electric Vijeo Historian 4.30 and earlier,…

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