CVE-2023-41595 in xui-xray
Summary
by MITRE • 09/18/2023
An issue in xui-xray v1.8.3 allows attackers to obtain sensitive information via default password.
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Analysis
by VulDB Data Team • 07/10/2026
The vulnerability identified in xui-xray version 1.8.3 represents a critical security flaw that stems from the implementation of default credentials within the application's authentication mechanism. This issue falls under the category of weak authentication controls and exposes the system to unauthorized access attempts by threat actors who can leverage well-known default passwords to gain entry into the system. The presence of default passwords in production environments constitutes a fundamental security misconfiguration that violates industry best practices and creates an easily exploitable attack vector for malicious actors.
This technical flaw specifically manifests when the xui-xray application fails to enforce strong authentication requirements or properly disable default credential sets during installation or configuration phases. The vulnerability enables attackers to bypass legitimate authentication mechanisms through the use of pre-configured default usernames and passwords that are commonly known within the cybersecurity community. Such default credentials typically include common combinations like admin/admin, root/root, or user/password which are often left unchanged by administrators during deployment, creating a persistent security risk that can be exploited by anyone with basic knowledge of common default credential patterns.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches, system compromise, and lateral movement within affected networks. Attackers who successfully exploit this weakness can gain administrative privileges to manipulate system configurations, extract sensitive data, or establish persistent backdoors within the environment. The vulnerability can be particularly dangerous in containerized environments or cloud deployments where xui-xray instances might be exposed to external networks without proper network segmentation or additional authentication layers. This creates an elevated risk for organizations that rely on the application for network monitoring, proxy configuration, or traffic analysis functions.
Security practitioners should address this vulnerability through immediate credential management protocols that include mandatory password changes during initial setup, implementation of strong password policies, and regular security audits of authentication configurations. The vulnerability aligns with CWE-798, which specifically addresses the use of hard-coded credentials, and represents a clear violation of the principle of least privilege. Mitigation strategies should encompass comprehensive network segmentation to limit access to the application, implementation of multi-factor authentication where possible, and regular security assessments to identify and remediate similar misconfigurations. Organizations should also consider implementing security monitoring solutions that can detect unauthorized access attempts or credential misuse patterns that may indicate exploitation of this vulnerability. The issue demonstrates the critical importance of proper security configuration management and the necessity of following secure coding practices that avoid hardcoded credentials in software deployments.