CVE-2011-0488

Stack-based buffer overflow in NTWebServer.exe in the test web service in InduSoft NTWebServer, as distributed in Advantech Studio 6.1 and InduSoft Web Studio 7.0, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long request to TCP port 80.

Published: 2011-01-18 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-0488 is rated High Risk (71.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 16.99%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-0488

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-09 18.24% 16.99% -1.26%
2 2025-07-20 15.63% 18.24% +2.61%
3 2025-03-30 15.63%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0488

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2011-0488

Affected software / configurations for CVE-2011-0488

Vendor Product Version Raw CPE
advantech advantech_studio 6.1 cpe:2.3:a:advantech:advantech_studio:6.1:*:*:*:*:*:*:*
indusoft web_studio 7.0 cpe:2.3:a:indusoft:web_studio:7.0:*:*:*:*:*:*:*

References for CVE-2011-0488

cvelogic Threat Intelligence