S4E

Nginx Proxy Manager Default Login Scanner

This scanner detects the use of Nginx Proxy Manager in digital assets. It helps to identify default credentials, enhancing security by promoting proper credential management.

Short Info


Level

High

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

10 seconds

Time Interval

22 days 3 hours

Scan only one

Domain, IPv4

Toolbox

-

Nginx Proxy Manager is a tool commonly used by system administrators and developers to manage reverse proxies with simplicity and ease. It provides a web-based GUI for managing proxy hosts, SSL certificates, and users, making it popular for web server management in various environments. This software is often implemented in both small businesses and enterprises for its user-friendliness and efficiency in managing server operations. The software is designed to enhance security, improve performance, and simplify development processes. While primarily used in development and production landscapes, Nginx Proxy Manager is also utilized in testing and staging environments to simulate real-world server conditions. The ease of deployment and comprehensive feature set make it a staple in modern network and server infrastructures.

Default Login vulnerabilities occur when software is shipped with preset usernames and passwords, which are often overlooked during setup. This vulnerability in Nginx Proxy Manager allows unauthorized access if the default credentials are not changed. Attackers can easily gain administrative access, leading to potential misuse and exploitation of the system. These credentials are often well-known and are frequently targeted by automated scanning tools. By maintaining these default settings, organizations are exposed to unnecessary risk, compromising sensitive data, and functionality. Proactively addressing such vulnerabilities is essential to prevent unauthorized access and ensure that systems remain secure and controlled.

In Nginx Proxy Manager, the vulnerability lies in the preset administrative credentials, which are typically "[email protected]" for the username and "changeme" for the password. These default credentials provide full administrative access to the proxy management system if not altered by the user. The discovery of these credentials is often straightforward for attackers, as they frequently scan for accessible instances of the software. The vulnerability can be exploited through basic HTTP POST requests to the API endpoint used for authentication. If successful, this will grant an attacker a valid session token, providing full access to the management interface and its capabilities. This emphasizes the importance of updating credentials immediately upon installation to mitigate potential risks.

Exploitation of the Default Login vulnerability in Nginx Proxy Manager can lead to severe consequences. Malicious actors gaining unauthorized access can modify server settings, redirect traffic, or deploy malware. This exploitation may result in the exposure of sensitive information, service disruptions, or the hijacking of the proxy services for nefarious purposes. Furthermore, compromised systems may be used to launch attacks against other networks or systems, amplifying the scale of impact. Implementing robust password policies and regular auditing of access logs is crucial in mitigating such risks.

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