What’s Vulnerable › Vulnerabilities

CVE-2014-0769: Festo CECX-X-(C1/M1) Controller Improper Authentication

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-04-25 · updated 2026-06-17
• Weakness: CWE-287

Description

The Festo CECX-X-C1 Modular Master Controller with CoDeSys and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion do not require authentication for connections to certain TCP ports, which allows remote attackers to (1) modify the configuration via a request to the debug service on port 4000 or (2) delete log entries via a request to the log service on port 4001.

Affected products

• 3S-Software Codesys Runtime System: all versions
• Festo Cecx-X-C1 Modular Master Controller: all versions
• Festo Cecx-X-M1 Modular Controller: all versions
• Softmotion3D Softmotion: all versions

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-14-084-01
• http://ics-cert.us-cert.gov/advisories/ICSA-14-084-01

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