CVE-2011-2956

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 90.6%
KEV: Not listed

Published

July 28, 2011

Last Modified

April 29, 2026

References (4)

cve@mitrehttp://www.azeotech.com/revisionhistory.php
cve@mitrehttp://www.us-cert.gov/control_systems/pdf/ICSA-11-122-01.pdf
af854a3a-2127-422b-91ae-364da2661108http://www.azeotech.com/revisionhistory.php
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/control_systems/pdf/ICSA-11-122-01.pdf

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 07:23 UTCEG score recompute
2026-05-29 07:23 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:43 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-36007✓ verified
First seen Jun 24, 2011
AzeoTech DaqFactory - Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2011-2956?

CVE-2011-2956 is a none vulnerability published on July 28, 2011. 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.

When was CVE-2011-2956 disclosed?

CVE-2011-2956 was first published in the National Vulnerability Database on July 28, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-2956 actively exploited?

CVE-2011-2956 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-2956?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2956, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2011-2956

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-2956?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(4)

Related CVEs(same CWE)