How severe is CVE-2011-4052?

CVE-2011-4052 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-4052 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4052?

CVE-2011-4052 primarily affects Indusoft Web Studio. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4052?

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-2011-4052 published?

CVE-2011-4052 was published on 2011-12-05 and last updated on 2026-06-16.

CVE-2011-4052

CVE-2011-4052 is a critical-severity vulnerability in Indusoft Web Studio with a CVSS 2.0 base score of 9.3. 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: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Indusoft Web Studio
Published: 2011-12-05
Last modified: 2026-06-16

Description

Stack-based buffer overflow in CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio 6.1 and 7.0 allows remote attackers to execute arbitrary code via a crafted 0x15 (aka Remove File) operation for a file with a long name.

Frequently asked questions

What is CVE-2011-4052?: Stack-based buffer overflow in CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio 6.1 and 7.0 allows remote attackers to execute arbitrary code via a crafted 0x15 (aka Remove File) operation for a file with a long name.
How severe is CVE-2011-4052?: CVE-2011-4052 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-4052 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4052?: CVE-2011-4052 primarily affects Indusoft Web Studio. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4052?: 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-2011-4052 published?: CVE-2011-4052 was published on 2011-12-05 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:indusoft:web_studio:6.1:*:*:*:*:*:*:*
cpe:2.3:a:indusoft:web_studio:7.0:*:*:*:*:*:*:*

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