CVE-2022-23771 in NAS1dual
Summary
by MITRE • 10/17/2022
This vulnerability occurs in user accounts creation and deleteion related pages of IPTIME NAS products. The vulnerability could be exploited by a lack of validation when a POST request is made to this page. An attacker can use this vulnerability to or delete user accounts, or to escalate arbitrary user privileges.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 04/30/2026
The CVE-2022-23771 vulnerability represents a critical security flaw in IPTIME NAS product implementations that directly impacts user account management functionality. This weakness exists within the web interface components responsible for creating and deleting user accounts, making it a significant concern for network-attached storage systems that rely on proper authentication and authorization mechanisms. The vulnerability stems from insufficient input validation during POST request processing, which allows malicious actors to manipulate the account management workflows through crafted requests. Such a flaw fundamentally compromises the integrity of user access controls and system security policies that organizations depend upon for protecting sensitive data and maintaining operational continuity. The vulnerability affects the core authentication infrastructure of these devices, potentially enabling unauthorized users to gain elevated privileges or completely remove legitimate accounts, thereby undermining the security posture of the entire network storage solution.
The technical exploitation of this vulnerability involves leveraging the absence of proper validation controls when processing user account modification requests. Attackers can construct malicious POST requests that bypass normal account creation and deletion workflows, enabling them to manipulate user permissions or remove accounts entirely. This represents a classic case of insufficient input validation, which falls under CWE-20 - Improper Input Validation, and demonstrates how weak request handling can lead to privilege escalation and account compromise. The vulnerability specifically targets the web application layer of IPTIME NAS devices, where user account management functions are exposed through HTTP interfaces. When an attacker successfully exploits this weakness, they can either create new user accounts with administrative privileges or delete existing accounts, including those with elevated access rights. This dual capability makes the vulnerability particularly dangerous as it enables both unauthorized access and account disruption attacks, potentially leading to complete system compromise or denial of service conditions.
The operational impact of CVE-2022-23771 extends beyond simple account manipulation to encompass broader security implications for organizations relying on IPTIME NAS devices. System administrators may find themselves unable to maintain proper access controls, as attackers can subvert the intended user management policies through this vulnerability. The ability to escalate privileges through arbitrary user account manipulation directly violates fundamental security principles of least privilege and access control enforcement, potentially allowing attackers to gain unauthorized administrative access to network storage resources. Organizations may experience data exposure, unauthorized modifications to storage configurations, or complete loss of user account management capabilities, depending on how the vulnerability is exploited. This weakness also creates opportunities for attackers to establish persistent access points within network environments, as compromised user accounts can serve as entry points for further lateral movement and reconnaissance activities.
Mitigation strategies for CVE-2022-23771 should focus on implementing robust input validation controls and strengthening the authentication mechanisms within IPTIME NAS devices. Organizations should immediately apply vendor-provided security patches or firmware updates that address the specific validation gaps in user account management workflows. Network segmentation and access control measures can help limit the potential impact of successful exploitation by restricting direct access to administrative interfaces. Implementing proper authentication controls, including multi-factor authentication and role-based access controls, can provide additional layers of protection against unauthorized account manipulation. Security monitoring should be enhanced to detect unusual account creation or deletion activities, as these operations may indicate exploitation attempts. The vulnerability's classification under CWE-20 highlights the importance of comprehensive input validation testing and the need for secure coding practices that prevent similar weaknesses from emerging in web application components. Organizations should also consider implementing network access controls that restrict administrative interfaces to trusted IP ranges and establish regular security assessments to identify and remediate similar validation weaknesses in other system components.