How severe is CVE-2011-2959?

CVE-2011-2959 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-2959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2959?

CVE-2011-2959 primarily affects 7t Igss. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2959?

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-2011-2959 published?

CVE-2011-2959 was published on 2011-07-29 and last updated on 2026-06-16.

CVE-2011-2959

CVE-2011-2959 is a critical-severity vulnerability in 7t Igss with a CVSS 2.0 base score of 10.0. 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 10.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: 7t Igss
Published: 2011-07-29
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-2959?: CVE-2011-2959 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-2959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2959?: CVE-2011-2959 primarily affects 7t Igss. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2959?: 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-2011-2959 published?: CVE-2011-2959 was published on 2011-07-29 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:7t:igss:*:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:2.0:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:3.0:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:4.1:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:5.0:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:5.1:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:6:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:7:*:*:*:*:*:*:*
cpe:2.3:a:7t:igss:8:*:*:*:*:*:*:*

More vulnerabilities in 7t Igss

CVE-2011-2214 — Critical (CVSS 10.0): Unspecified vulnerability in the Open Database Connectivity (ODBC) component in 7T Interactive Graphical SCADA System…
CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
CVE-2011-1567 — Critical (CVSS 10.0): Multiple stack-based buffer overflows in IGSSdataServer.exe 9.00.00.11063 and earlier in 7-Technologies Interactive…
CVE-2011-1566 — Critical (CVSS 10.0): Directory traversal vulnerability in dc.exe 9.00.00.11059 and earlier in 7-Technologies Interactive Graphical SCADA…
CVE-2011-1565 — Critical (CVSS 10.0): Directory traversal vulnerability in IGSSdataServer.exe 9.00.00.11063 and earlier in 7-Technologies Interactive…
CVE-2011-4053 — Critical (CVSS 9.3): Untrusted search path vulnerability in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) before 9.0.0.11291…

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