How severe is CVE-2011-4050?

CVE-2011-4050 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-4050 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4050?

CVE-2011-4050 affects 7t Igss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4050?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4050 published?

CVE-2011-4050 was published on 2011-12-27 and last updated on 2026-06-16.

CVE-2011-4050

CVE-2011-4050 is a medium-severity vulnerability in 7t Igss with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: 7t Igss
Published: 2011-12-27
Last modified: 2026-06-16

Description

Buffer overflow in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11200 allows remote attackers to cause a denial of service via a crafted packet to TCP port 12401.

Frequently asked questions

What is CVE-2011-4050?: Buffer overflow in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11200 allows remote attackers to cause a denial of service via a crafted packet to TCP port 12401.
How severe is CVE-2011-4050?: CVE-2011-4050 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-4050 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4050?: CVE-2011-4050 affects 7t Igss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4050?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4050 published?: CVE-2011-4050 was published on 2011-12-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:7t:igss:9.0.0.11200:*:*:*:*:*:*:*

More vulnerabilities in 7t Igss

CVE-2011-2959 — Critical (CVSS 10.0): Stack-based buffer overflow in the Open Database Connectivity (ODBC) service (Odbcixv9se.exe) in 7-Technologies…
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…

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