CVE-2014-0760 in CECX-X-M1 Modular Controller
Summary
by MITRE
The Festo CECX-X-C1 Modular Master Controller with CoDeSys and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion provide an undocumented access method involving the FTP protocol, which could allow a remote attacker to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.
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Analysis
by VulDB Data Team • 05/12/2026
The Festo CECX-X-C1 Modular Master Controller and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion represent industrial automation devices that incorporate embedded systems for manufacturing process control. These controllers are designed to manage complex industrial operations through programmable logic control and motion control functionalities. The vulnerability exists within the device's implementation of the File Transfer Protocol which provides an undocumented access mechanism that bypasses normal authentication procedures. This flaw affects devices running CoDeSys software environments and SoftMotion control frameworks, creating a significant security gap in industrial control systems where operational technology and information technology converge.
The technical flaw manifests through an improperly secured FTP service that operates on the device without proper access controls or authentication mechanisms. Attackers can exploit this undocumented FTP access to establish connections and potentially execute arbitrary code on the target system. The vulnerability does not require authentication for initial access, making it particularly dangerous in industrial environments where physical security may be limited. The unspecified vectors suggest that multiple attack surfaces exist within the FTP implementation, potentially including buffer overflows, command injection, or privilege escalation opportunities. This weakness directly violates security principles by providing unauthorized access paths that bypass normal security controls and could enable attackers to gain complete control over the industrial control system.
The operational impact of this vulnerability extends beyond simple code execution to potentially compromise entire industrial processes and manufacturing operations. Remote code execution capabilities could allow attackers to manipulate production processes, alter control parameters, or introduce malicious code that persists across system reboots. The potential for denial of service attacks poses additional risks to production continuity, as attackers could crash the application and cause manufacturing downtime. Industrial control systems typically operate in environments where availability and integrity are paramount, making this vulnerability particularly concerning for critical infrastructure sectors including manufacturing, energy, and process control facilities. The attack surface is further complicated by the fact that these controllers are often deployed in environments with limited network monitoring and security controls, increasing the risk of undetected compromise.
Mitigation strategies for this vulnerability should focus on network segmentation and access control implementation to prevent unauthorized network access to industrial control systems. Organizations should disable or remove the undocumented FTP service when it is not required for legitimate operational purposes, and implement proper network monitoring to detect anomalous FTP traffic patterns. Security controls should include regular vulnerability assessments targeting industrial control systems and implementation of network access controls using firewalls and intrusion detection systems. The configuration of these devices should follow industrial security standards such as those outlined in the NIST Cybersecurity Framework and IEC 62443 series, which provide guidance for securing industrial automation and control systems. Additionally, organizations should implement proper change management processes to ensure that only authorized personnel can modify system configurations and that all access to industrial control systems is properly logged and audited. This vulnerability highlights the importance of conducting thorough security assessments of industrial control systems and implementing defense-in-depth strategies that protect against both external and internal threats in operational technology environments.