CVE-2011-2959

Stack-based buffer overflow in the Open Database Connectivity (ODBC) service (Odbcixv9se.exe) in 7-Technologies Interactive Graphical SCADA System (IGSS) 9 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet to TCP port 22202.

Published: 2011-07-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2959 is rated High Risk (67.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.88%, 93th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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-2011-2959

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 2026-06-15 12.29% 6.88% -5.41%
2 2026-02-19 2.74% 12.29% +9.56%
3 2025-09-02 — 2.74% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2959

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-2011-2959

Affected software / configurations for CVE-2011-2959

Vendor Product Version Raw CPE
7t igss <= 9 cpe:2.3:a:7t:igss:*:*:*:*:*:*:*:*
7t igss 2.0 cpe:2.3:a:7t:igss:2.0:*:*:*:*:*:*:*
7t igss 3.0 cpe:2.3:a:7t:igss:3.0:*:*:*:*:*:*:*
7t igss 4.1 cpe:2.3:a:7t:igss:4.1:*:*:*:*:*:*:*
7t igss 5.0 cpe:2.3:a:7t:igss:5.0:*:*:*:*:*:*:*
7t igss 5.1 cpe:2.3:a:7t:igss:5.1:*:*:*:*:*:*:*
7t igss 6 cpe:2.3:a:7t:igss:6:*:*:*:*:*:*:*
7t igss 7 cpe:2.3:a:7t:igss:7:*:*:*:*:*:*:*
7t igss 8 cpe:2.3:a:7t:igss:8:*:*:*:*:*:*:*

References for CVE-2011-2959

cvelogic Threat Intelligence