CVE-2022-47390 in Control
Summary
by MITRE • 05/15/2023
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwriting, or remote code execution.
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Analysis
by VulDB Data Team • 07/17/2025
The vulnerability identified as CVE-2022-47390 represents a critical stack-based out-of-bounds write flaw within the CmpTraceMgr component of various CODESYS products. This security weakness affects multiple versions of the industrial automation software suite, creating a significant risk for systems that rely on CODESYS for control and monitoring operations. The vulnerability stems from improper bounds checking during stack memory operations, allowing an authenticated attacker to manipulate memory layout and potentially execute arbitrary code. The affected CODESYS products are widely used in industrial control systems, making this vulnerability particularly concerning for operational technology environments where system reliability and security are paramount.
The technical nature of this vulnerability manifests as a stack-based buffer overflow that occurs when the CmpTraceMgr component processes certain input data structures. This flaw enables an attacker with valid credentials to craft malicious inputs that exceed the allocated stack buffer boundaries, resulting in memory corruption that can overwrite adjacent stack variables, function return addresses, or other critical program data. The out-of-bounds write operation can be leveraged to manipulate program execution flow, potentially leading to arbitrary code execution or complete system compromise. The vulnerability's remote exploitability means that authenticated attackers can trigger the condition from external network locations, expanding the attack surface beyond traditional network boundaries.
From an operational perspective, the impact of CVE-2022-47390 extends beyond simple denial-of-service conditions to encompass potential system compromise and data integrity violations. Industrial control systems utilizing affected CODESYS versions face elevated risks of operational disruption, where attackers could manipulate control processes or gain unauthorized access to critical infrastructure. The vulnerability's potential for remote code execution creates opportunities for attackers to establish persistent access, escalate privileges, or deploy additional malicious payloads within the operational technology environment. Organizations with legacy systems or those following older CODESYS versions face heightened exposure, as these systems may lack proper input validation mechanisms or updated security patches.
Security mitigation strategies for this vulnerability should focus on immediate patching of affected CODESYS versions, implementing network segmentation to limit access to vulnerable systems, and enforcing strict authentication controls for all operational technology environments. Organizations should conduct comprehensive vulnerability assessments to identify all instances of affected CODESYS products and prioritize remediation efforts based on system criticality and exposure levels. The vulnerability aligns with CWE-121 stack-based buffer overflow and can be mapped to ATT&CK techniques involving privilege escalation, persistence, and execution through memory corruption. Network monitoring should be enhanced to detect anomalous behavior patterns that might indicate exploitation attempts, while access controls should be strengthened to limit authentication credentials to only necessary personnel. Regular security updates and vulnerability management processes must be implemented to prevent similar issues in future deployments, particularly given the industrial context where system uptime and security are critical factors for operational success.