How severe is CVE-2011-1918?

CVE-2011-1918 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-1918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1918?

CVE-2011-1918 primarily affects Ge Intelligent Platforms Proficy Historian. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1918?

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-2011-1918 published?

CVE-2011-1918 was published on 2011-11-02 and last updated on 2026-06-16.

CVE-2011-1918

CVE-2011-1918 is a critical-severity vulnerability in Ge Intelligent Platforms Proficy Historian with a CVSS 2.0 base score of 10.0. 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: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ge Intelligent Platforms Proficy Historian
Published: 2011-11-02
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the Data Archiver service in GE Intelligent Platforms Proficy Historian before 3.5 SIM 17 and 4.x before 4.0 SIM 12 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via crafted TCP message traffic.

Frequently asked questions

What is CVE-2011-1918?: Stack-based buffer overflow in the Data Archiver service in GE Intelligent Platforms Proficy Historian before 3.5 SIM 17 and 4.x before 4.0 SIM 12 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via crafted TCP message traffic.
How severe is CVE-2011-1918?: CVE-2011-1918 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-1918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1918?: CVE-2011-1918 primarily affects Ge Intelligent Platforms Proficy Historian. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1918?: 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-2011-1918 published?: CVE-2011-1918 was published on 2011-11-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ge:intelligent_platforms_proficy_historian:*:*:*:*:*:*:*:*
cpe:2.3:a:ge:intelligent_platforms_proficy_historian:4.0:*:*:*:*:*:*:*

More vulnerabilities in Ge Intelligent Platforms Proficy Historian

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CVE-2012-2515 — Critical (CVSS 9.3): Multiple stack-based buffer overflows in the KeyHelp.KeyCtrl.1 ActiveX control in KeyHelp.ocx 1.2.312 in KeyWorks…
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