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Vulnerability record · CVE-2011-2956 · published 28 July 2011

CVE-2011-2956: Azeotech daqfactory improper authentication vulnerability

AAzeotech · Daqfactory

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.

7.8 CVSS 2.0 High EPSS 6.7% · top 6.3% CWE-287 · Improper authentication
7.8CVSS 2.0 base score
6.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.azeotech.com/revisionhistory.php
http://www.us-cert.gov/control_systems/pdf/ICSA-11-122-01.pdf US Government Resource
http://www.azeotech.com/revisionhistory.php
http://www.us-cert.gov/control_systems/pdf/ICSA-11-122-01.pdf US Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-3492Azeotech DAQFactory NETB UDP packet stack buffer overflowAzeotech DAQFactory 5.85 build 1853 and earlier contains a stack-based buffer overflow reachable through a crafted NETB packet sent to UDP port 20034…EPSS 71%analysed9.3CVE-2009-4480Azeotech daqfactory memory buffer overflow vulnerabilityBuffer overflow in the web service in AzeoTech DAQFactory 5.77 might allow remote attackers to execute arbitrary code via unspecified vectors, as dem…EPSS 3.3%8.4CVE-2026-12921Azeotech daqfactory use after free vulnerabilityIn AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files whi…EPSS 0.19%8.4CVE-2026-12390Azeotech daqfactory type confusion vulnerabilityIn AzeoTech DAQFactory versions 21.1 and prior, a Type Confusion vulnerability can be exploited by an attacker using specially crafted .ctl files whi…EPSS 0.19%8.4CVE-2025-66589Azeotech daqfactory out-of-bounds read vulnerabilityIn AzeoTech DAQFactory release 20.7 (Build 2555), an Out-of-bounds Read vulnerability can be exploited by an attacker to cause the program to read da…EPSS 0.35%8.4CVE-2025-66590Azeotech daqfactory out-of-bounds write vulnerabilityIn AzeoTech DAQFactory release 20.7 (Build 2555), an out-of-bounds write vulnerability can be exploited by an attacker to cause the program to write …EPSS 0.38%8.4CVE-2025-66588Azeotech daqfactory vulnerabilityIn AzeoTech DAQFactory release 20.7 (Build 2555), an access of uninitialized pointer vulnerability can be exploited by an attacker which can lead to …EPSS 0.30%7.8CVE-2021-42543Azeotech daqfactory vulnerabilityThe affected application uses specific functions that could be abused through a crafted project file, which could lead to code execution, system rebo…EPSS 0.82%

Source: NIST National Vulnerability Database (record CVE-2011-2956), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.