CVE-2019-25441 in thesystem
Summary
by MITRE • 02/21/2026
thesystem 1.0 contains a command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by submitting malicious input to the run_command endpoint. Attackers can send POST requests with shell commands in the command parameter to execute arbitrary code on the server without authentication.
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Analysis
by VulDB Data Team • 03/12/2026
The vulnerability identified as CVE-2019-25441 represents a critical command injection flaw within a system version 1.0 that exposes the application to unauthorized remote code execution. This vulnerability exists in the run_command endpoint which processes incoming POST requests without proper input validation or sanitization mechanisms. The flaw allows attackers to directly inject and execute arbitrary shell commands on the target system through the command parameter, eliminating any authentication requirements for exploitation. The vulnerability stems from the system's failure to properly validate or escape user-supplied input before processing it as part of system commands, creating a direct pathway for malicious actors to bypass security controls and gain full system access. Such a flaw fundamentally compromises the integrity and confidentiality of the affected system, potentially enabling attackers to establish persistent access, escalate privileges, or exfiltrate sensitive data.
The technical implementation of this vulnerability aligns with CWE-77, which specifically addresses command injection flaws in software systems. This weakness occurs when an application incorporates user-controllable data into shell commands without proper sanitization or escaping mechanisms. The attack vector is particularly dangerous because it requires no authentication credentials, making it accessible to any attacker with network access to the system. The vulnerability manifests when the system accepts a POST request containing malicious shell commands within the command parameter, which are then executed with the privileges of the application process. This creates a pathway for attackers to perform operations such as file manipulation, process management, network reconnaissance, and potentially system compromise through direct command execution.
From an operational perspective, the impact of this vulnerability extends far beyond simple code execution capabilities. The unauthenticated nature of the attack means that any network-accessible system endpoint becomes immediately exploitable, potentially affecting critical infrastructure components. Attackers can leverage this vulnerability to establish persistent backdoors, deploy malware, conduct data exfiltration, or use the compromised system as a launching point for further attacks within the network. The vulnerability's presence in a system version 1.0 suggests potential architectural flaws in input handling and security design, indicating that similar issues may exist in other system components. Organizations relying on this system face significant risk of unauthorized access, data breaches, and potential regulatory compliance violations, particularly in environments where system integrity and access controls are paramount.
Mitigation strategies for CVE-2019-25441 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. The primary recommendation involves implementing strict input validation and sanitization for all user-controllable data, particularly within system command execution paths. Organizations should employ parameterized command execution where possible, avoiding direct string concatenation of user input with system commands. Network-level controls including firewall rules and access controls should be implemented to restrict access to the vulnerable endpoint, while logging and monitoring should be enhanced to detect anomalous command execution patterns. The implementation of principle of least privilege should ensure that application processes run with minimal required permissions, limiting potential damage from successful exploitation. Additionally, regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities in other system components, while adherence to secure coding practices and input validation frameworks should be enforced throughout the development lifecycle to prevent recurrence of such issues.