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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| 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:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://downloadt.advantech.com/download/downloadsr.aspx?File_Id=1-I1D7QD | Vendor Advisory |
| http://secunia.com/advisories/42883 | Vendor Advisory |
| http://secunia.com/advisories/42903 | Vendor Advisory |
| http://www.advantechdirect.com/emarketingprograms/AStudio_Patch/AStudio_Patch.htm | Patch Vendor Advisory |
| http://www.indusoft.com/blog/?p=337 | |
| http://www.kb.cert.org/vuls/id/506864 | US Government Resource |
| http://www.osvdb.org/70396 | |
| http://www.securityfocus.com/bid/45783 | |
| http://www.us-cert.gov/control_systems/pdf/ICSA-10-337-01.pdf | US Government Resource |
| http://www.vupen.com/english/advisories/2011/0092 | Vendor Advisory |
| http://www.vupen.com/english/advisories/2011/0093 | Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/64678 |