How severe is CVE-2011-2956?

CVE-2011-2956 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2011-2956 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-2011-2956?

CVE-2011-2956 primarily affects Azeotech Daqfactory. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2956?

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-2011-2956 published?

CVE-2011-2956 was published on 2011-07-28 and last updated on 2026-06-16.

CVE-2011-2956

CVE-2011-2956 is a high-severity vulnerability in Azeotech Daqfactory with a CVSS 2.0 base score of 7.8. 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-287.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Azeotech Daqfactory
Published: 2011-07-28
Last modified: 2026-06-16

Description

AzeoTech DAQFactory before 5.85 (Build 1842) does not perform authentication for certain signals, which allows remote attackers to cause a denial of service (system reboot or shutdown) via a signal.

Frequently asked questions

What is CVE-2011-2956?: AzeoTech DAQFactory before 5.85 (Build 1842) does not perform authentication for certain signals, which allows remote attackers to cause a denial of service (system reboot or shutdown) via a signal.
How severe is CVE-2011-2956?: CVE-2011-2956 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2011-2956 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-2011-2956?: CVE-2011-2956 primarily affects Azeotech Daqfactory. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2956?: 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-2011-2956 published?: CVE-2011-2956 was published on 2011-07-28 and last updated on 2026-06-16.

References

Affected products (50)

cpe:2.3:a:azeotech:daqfactory:*:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.0:-:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.03:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.5:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.05:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.09:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.10:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.11:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.51:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.52:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.53:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:3.55:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:4.00:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:4.10:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:4.11:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.0:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.01:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.02:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.03:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.04:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.05:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.10:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.11:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.12:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.15:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.30:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.31:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.32:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.33:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.34:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.35:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.36:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.37:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.38:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.39:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.40:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.70:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.71:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.72:*:*:*:*:*:*:*
cpe:2.3:a:azeotech:daqfactory:5.73:*:*:*:*:*:*:*

More vulnerabilities in Azeotech Daqfactory

CVE-2011-3492 — Critical (CVSS 10.0): Stack-based buffer overflow in Azeotech DAQFactory 5.85 build 1853 and earlier allows remote attackers to cause a…
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