CVE-2024-50393 in QTS
Summary
by MITRE • 12/06/2024
A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to execute arbitrary commands.
We have already fixed the vulnerability in the following versions: QTS 5.1.9.2954 build 20241120 and later QTS 5.2.2.2950 build 20241114 and later QuTS hero h5.1.9.2954 build 20241120 and later QuTS hero h5.2.2.2952 build 20241116 and later
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Analysis
by VulDB Data Team • 09/23/2025
This command injection vulnerability in QNAP operating systems represents a critical security flaw that enables remote attackers to execute arbitrary commands on affected devices. The vulnerability stems from insufficient input validation and sanitization within the system's command processing mechanisms, allowing malicious actors to inject and execute unauthorized commands through vulnerable interfaces. Such flaws typically arise when user-supplied data is directly incorporated into system commands without proper escaping or filtering, creating pathways for attackers to manipulate system behavior. The affected QNAP operating system versions expose this weakness through various network-facing services that process user input, potentially including web interfaces, API endpoints, or network protocols that handle command execution requests. Attackers exploiting this vulnerability could gain unauthorized access to system resources, execute malicious code, modify system configurations, or escalate privileges to full administrative control. The remote exploitation capability makes this vulnerability particularly dangerous as it does not require physical access or local network presence, enabling attackers to target devices from external networks. This vulnerability aligns with CWE-77 and CWE-94 categories, which specifically address command injection flaws and code injection vulnerabilities respectively, both of which fall under the broader ATT&CK technique T1059.001 for command and scripting interpreter. The impact extends beyond simple command execution as successful exploitation could lead to complete system compromise, data exfiltration, or use of compromised devices as part of botnet operations. Organizations running vulnerable QNAP systems face significant risk of unauthorized access and potential data breaches, particularly in environments where these devices serve as network infrastructure components or storage solutions for sensitive information. The vulnerability affects multiple QNAP operating system variants including both QTS and QuTS hero platforms, indicating a widespread exposure across different product lines. The affected versions include QTS 5.1.9.2954 build 20241120 and later, QTS 5.2.2.2950 build 20241114 and later, QuTS hero h5.1.9.2954 build 20241120 and later, and QuTS hero h5.2.2.2952 build 20241116 and later, suggesting that the patch was implemented in specific build versions rather than across all previous releases. Security teams should prioritize immediate patch deployment for all affected systems to mitigate this risk. The remediation approach requires updating to the specified fixed versions, which would include proper input validation, command sanitization, and implementation of secure coding practices to prevent similar vulnerabilities from reoccurring. Organizations should also implement network segmentation, access controls, and continuous monitoring to detect potential exploitation attempts and reduce the attack surface. The vulnerability highlights the importance of secure input handling and proper command construction in networked storage systems, where unauthorized command execution could result in complete system compromise and unauthorized data access. Given the nature of command injection vulnerabilities, comprehensive security testing including penetration testing and code review should be conducted to identify potential similar weaknesses in other system components and prevent future incidents.