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CVE-2025-47697: Unauthenticated Authentication Bypass in Wivia 5

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Overview

The CVE-2025-47697 is a critical security vulnerability that affects all versions of Wivia 5, a widely used software application. The issue arises from a client-side enforcement of server-side security, which if exploited, allows an unauthenticated attacker to bypass the authentication process and operate the affected device as the moderator user. This vulnerability should be addressed immediately due to its potential for system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-47697
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, Data leakage

Affected Products

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Product | Affected Versions

Wivia 5 | All versions

How the Exploit Works

This vulnerability is exploited by sending specially crafted network requests to the affected Wivia 5 application. Due to the client-side enforcement of server-side security controls, the application fails to properly validate the user’s authentication status. This allows an unauthenticated attacker to bypass these controls, and gain access to the system with moderator privileges, leading to potential system compromise or data leakage.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited:

POST /moderator_login HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "user": "moderator", "password": "bypass" }

In this example, the attacker sends a POST request to the “/moderator_login” endpoint, with the user set to “moderator” and a made-up password “bypass”. As the application fails to properly enforce the server-side security controls, this request is accepted, and the attacker gains access to the system as the moderator user.

Mitigation and Solutions

To mitigate this vulnerability, users are advised to apply the vendor-supplied patch as soon as it becomes available. In the meantime, users can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation. These systems can be configured to block or alert on network requests that match the pattern of this exploit.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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