How severe is CVE-2011-4033?

CVE-2011-4033 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4033?

CVE-2011-4033 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-2011-4033?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4033 published?

CVE-2011-4033 was published on 2011-12-02 and last updated on 2026-06-16.

CVE-2011-4033

CVE-2011-4033 is a medium-severity vulnerability in Schneider-electric Vijeo Historian with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (73rd 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 cause a denial of service via unspecified vectors.

Frequently asked questions

What is CVE-2011-4033?: 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.
How severe is CVE-2011-4033?: CVE-2011-4033 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4033?: CVE-2011-4033 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-2011-4033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4033 published?: CVE-2011-4033 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-2011-4034 — Critical (CVSS 9.3): Buffer overflow in the Steema TeeChart ActiveX control, as used in Schneider Electric Vijeo Historian 4.30 and earlier,…
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…

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