How severe is CVE-2011-4537?

CVE-2011-4537 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-4537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4537?

CVE-2011-4537 affects 7t Igss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4537?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-4537 published?

CVE-2011-4537 was published on 2011-12-27 and last updated on 2026-06-16.

CVE-2011-4537

CVE-2011-4537 is a high-severity vulnerability in 7t Igss with a CVSS 2.0 base score of 7.5. 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: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (91st 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

Multiple buffer overflows in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11355 and earlier allow remote attackers to execute arbitrary code or cause a denial of service via a crafted packet to TCP port (1) 12397 or (2) 12399.

Frequently asked questions

What is CVE-2011-4537?: Multiple buffer overflows in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11355 and earlier allow remote attackers to execute arbitrary code or cause a denial of service via a crafted packet to TCP port (1) 12397 or (2) 12399.
How severe is CVE-2011-4537?: CVE-2011-4537 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-4537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4537?: CVE-2011-4537 affects 7t Igss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-4537 published?: CVE-2011-4537 was published on 2011-12-27 and last updated on 2026-06-16.

References

Affected products (1)

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

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…

All CVEs affecting 7t Igss →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →