CVE-2011-2956

Exp

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.

Published: 2011-07-28 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2956 is rated High Exploit Risk (77.5/100): CVSS High severity, with high exploitation likelihood (EPSS 5.77%, 90th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-2956

EDB-ID Source Kind Published Link
36007 exploit_db edb 2011-06-24 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-2956

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-06 6.17% 5.77% -0.40%
2 2025-11-14 8.26% 6.17% -2.08%
3 2025-09-01 — 8.26% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2956

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2011-2956

Affected software / configurations for CVE-2011-2956

Vendor Product Version Raw CPE
azeotech daqfactory <= 5.84 cpe:2.3:a:azeotech:daqfactory:*:*:*:*:*:*:*:*
azeotech daqfactory 3.0 cpe:2.3:a:azeotech:daqfactory:3.0:-:*:*:*:*:*:*
azeotech daqfactory 3.03 cpe:2.3:a:azeotech:daqfactory:3.03:*:*:*:*:*:*:*
azeotech daqfactory 3.5 cpe:2.3:a:azeotech:daqfactory:3.5:*:*:*:*:*:*:*
azeotech daqfactory 3.05 cpe:2.3:a:azeotech:daqfactory:3.05:*:*:*:*:*:*:*
azeotech daqfactory 3.09 cpe:2.3:a:azeotech:daqfactory:3.09:*:*:*:*:*:*:*
azeotech daqfactory 3.10 cpe:2.3:a:azeotech:daqfactory:3.10:*:*:*:*:*:*:*
azeotech daqfactory 3.11 cpe:2.3:a:azeotech:daqfactory:3.11:*:*:*:*:*:*:*
azeotech daqfactory 3.51 cpe:2.3:a:azeotech:daqfactory:3.51:*:*:*:*:*:*:*
azeotech daqfactory 3.52 cpe:2.3:a:azeotech:daqfactory:3.52:*:*:*:*:*:*:*
azeotech daqfactory 3.53 cpe:2.3:a:azeotech:daqfactory:3.53:*:*:*:*:*:*:*
azeotech daqfactory 3.55 cpe:2.3:a:azeotech:daqfactory:3.55:*:*:*:*:*:*:*
azeotech daqfactory 4.00 cpe:2.3:a:azeotech:daqfactory:4.00:*:*:*:*:*:*:*
azeotech daqfactory 4.10 cpe:2.3:a:azeotech:daqfactory:4.10:*:*:*:*:*:*:*
azeotech daqfactory 4.11 cpe:2.3:a:azeotech:daqfactory:4.11:*:*:*:*:*:*:*
azeotech daqfactory 5.0 cpe:2.3:a:azeotech:daqfactory:5.0:*:*:*:*:*:*:*
azeotech daqfactory 5.01 cpe:2.3:a:azeotech:daqfactory:5.01:*:*:*:*:*:*:*
azeotech daqfactory 5.02 cpe:2.3:a:azeotech:daqfactory:5.02:*:*:*:*:*:*:*
azeotech daqfactory 5.03 cpe:2.3:a:azeotech:daqfactory:5.03:*:*:*:*:*:*:*
azeotech daqfactory 5.04 cpe:2.3:a:azeotech:daqfactory:5.04:*:*:*:*:*:*:*
azeotech daqfactory 5.05 cpe:2.3:a:azeotech:daqfactory:5.05:*:*:*:*:*:*:*
azeotech daqfactory 5.10 cpe:2.3:a:azeotech:daqfactory:5.10:*:*:*:*:*:*:*
azeotech daqfactory 5.11 cpe:2.3:a:azeotech:daqfactory:5.11:*:*:*:*:*:*:*
azeotech daqfactory 5.12 cpe:2.3:a:azeotech:daqfactory:5.12:*:*:*:*:*:*:*
azeotech daqfactory 5.15 cpe:2.3:a:azeotech:daqfactory:5.15:*:*:*:*:*:*:*
azeotech daqfactory 5.30 cpe:2.3:a:azeotech:daqfactory:5.30:*:*:*:*:*:*:*
azeotech daqfactory 5.31 cpe:2.3:a:azeotech:daqfactory:5.31:*:*:*:*:*:*:*
azeotech daqfactory 5.32 cpe:2.3:a:azeotech:daqfactory:5.32:*:*:*:*:*:*:*
azeotech daqfactory 5.33 cpe:2.3:a:azeotech:daqfactory:5.33:*:*:*:*:*:*:*
azeotech daqfactory 5.34 cpe:2.3:a:azeotech:daqfactory:5.34:*:*:*:*:*:*:*
azeotech daqfactory 5.35 cpe:2.3:a:azeotech:daqfactory:5.35:*:*:*:*:*:*:*
azeotech daqfactory 5.36 cpe:2.3:a:azeotech:daqfactory:5.36:*:*:*:*:*:*:*
azeotech daqfactory 5.37 cpe:2.3:a:azeotech:daqfactory:5.37:*:*:*:*:*:*:*
azeotech daqfactory 5.38 cpe:2.3:a:azeotech:daqfactory:5.38:*:*:*:*:*:*:*
azeotech daqfactory 5.39 cpe:2.3:a:azeotech:daqfactory:5.39:*:*:*:*:*:*:*
azeotech daqfactory 5.40 cpe:2.3:a:azeotech:daqfactory:5.40:*:*:*:*:*:*:*
azeotech daqfactory 5.70 cpe:2.3:a:azeotech:daqfactory:5.70:*:*:*:*:*:*:*
azeotech daqfactory 5.71 cpe:2.3:a:azeotech:daqfactory:5.71:*:*:*:*:*:*:*
azeotech daqfactory 5.72 cpe:2.3:a:azeotech:daqfactory:5.72:*:*:*:*:*:*:*
azeotech daqfactory 5.73 cpe:2.3:a:azeotech:daqfactory:5.73:*:*:*:*:*:*:*
azeotech daqfactory 5.74 cpe:2.3:a:azeotech:daqfactory:5.74:*:*:*:*:*:*:*
azeotech daqfactory 5.75 cpe:2.3:a:azeotech:daqfactory:5.75:*:*:*:*:*:*:*
azeotech daqfactory 5.76 cpe:2.3:a:azeotech:daqfactory:5.76:*:*:*:*:*:*:*
azeotech daqfactory 5.77 cpe:2.3:a:azeotech:daqfactory:5.77:*:*:*:*:*:*:*
azeotech daqfactory 5.78 cpe:2.3:a:azeotech:daqfactory:5.78:*:*:*:*:*:*:*
azeotech daqfactory 5.79 cpe:2.3:a:azeotech:daqfactory:5.79:*:*:*:*:*:*:*
azeotech daqfactory 5.80 cpe:2.3:a:azeotech:daqfactory:5.80:*:*:*:*:*:*:*
azeotech daqfactory 5.82 cpe:2.3:a:azeotech:daqfactory:5.82:*:*:*:*:*:*:*
azeotech daqfactory 5.83 cpe:2.3:a:azeotech:daqfactory:5.83:*:*:*:*:*:*:*
azeotech daqfactory 5.83 cpe:2.3:a:azeotech:daqfactory:5.83:a:*:*:*:*:*:*

References for CVE-2011-2956

cvelogic Threat Intelligence