How severe is CVE-2011-4051?

CVE-2011-4051 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-4051 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4051?

CVE-2011-4051 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-2011-4051?

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-2011-4051 published?

CVE-2011-4051 was published on 2011-12-05 and last updated on 2026-06-16.

CVE-2011-4051

CVE-2011-4051 is a critical-severity vulnerability in Indusoft Web Studio with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 70% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 70% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Indusoft Web Studio
Published: 2011-12-05
Last modified: 2026-06-16

Description

CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio 6.1 and 7.0 does not require authentication, which allows remote attackers to execute arbitrary code via vectors related to creation of a file, loading a DLL, and process control.

Frequently asked questions

What is CVE-2011-4051?: CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio 6.1 and 7.0 does not require authentication, which allows remote attackers to execute arbitrary code via vectors related to creation of a file, loading a DLL, and process control.
How severe is CVE-2011-4051?: CVE-2011-4051 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-4051 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4051?: CVE-2011-4051 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-2011-4051?: 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-2011-4051 published?: CVE-2011-4051 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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CVE-2014-0780 — Critical (CVSS 9.8): Directory traversal vulnerability in NTWebServer in InduSoft Web Studio 7.1 before SP2 Patch 4 allows remote attackers…
CVE-2011-4052 — Critical (CVSS 9.3): Stack-based buffer overflow in CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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