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Fencer Intel
critical 9.1

CVE-2014-5414 json

Beckhoff Embedded PC Images and TwinCAT Components Improper Restriction of Excessive Authentication Attempts

published 10y ago modified 4mo ago also EUVD-2014-5302

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components do not restrict the number of authentication attempts, which makes it easier for remote attackers to obtain access via a brute-force attack.

Patch / fix

  • Beckhoff Embedded PC Images October 22, 2014

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-16-278-02 updated cvss 9.1

Beckhoff Embedded PC Images and TwinCAT Components Vulnerabilities

  • Beckhoff Embedded PC Images <October-22-2014 Beckhoff TwinCAT Components featuring Automation Device Specification (ADS) communication
    affected: mitigation “Advisory 2014-002, Advisory 2014-002: ADS communication port allows password bruteforce, (https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-002.pdf),” download.beckhoff.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.80% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.0 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 9.4 AV:N/AC:L/Au:N/C:C/I:C/A:N

Affected products

  • Beckhoff Embedded PC Images
  • Beckhoff TwinCAT Components featuring Automation Device Specification (ADS) communication

Classification

Weakness
  • CWE-307 Improper Restriction of Excessive Authentication Attempts
  • CWE-254 7PK - Security Features

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.