How severe is CVE-2011-3996?

CVE-2011-3996 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-3996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3996?

CVE-2011-3996 primarily affects Controlsystemworks Csworks. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3996?

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

When was CVE-2011-3996 published?

CVE-2011-3996 was published on 2011-11-03 and last updated on 2026-06-16.

CVE-2011-3996

CVE-2011-3996 is a medium-severity vulnerability in Controlsystemworks Csworks with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Controlsystemworks Csworks
Published: 2011-11-03
Last modified: 2026-06-16

Description

The LiveData Service in CSWorks before 2.0.4115.1 allows remote attackers to cause a denial of service (service crash) via crafted TCP packets.

Frequently asked questions

What is CVE-2011-3996?: The LiveData Service in CSWorks before 2.0.4115.1 allows remote attackers to cause a denial of service (service crash) via crafted TCP packets.
How severe is CVE-2011-3996?: CVE-2011-3996 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-3996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3996?: CVE-2011-3996 primarily affects Controlsystemworks Csworks. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3996 published?: CVE-2011-3996 was published on 2011-11-03 and last updated on 2026-06-16.

References

Affected products (25)

cpe:2.3:a:controlsystemworks:csworks:*:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.601.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.612.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.623.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.720.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.801.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.813.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.901.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.3540.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.3560.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.0.3580.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.1.3600.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.1.3674.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.1.3700.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.2.3730.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.2.3800.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.3820.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.3830.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.3850.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.3860.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.3880.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.3900.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.4.4000.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.7.4050.0:*:*:*:*:*:*:*
cpe:2.3:a:controlsystemworks:csworks:1.7.5000.0:*:*:*:*:*:*:*

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