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CVE-2025-50674: Privilege Escalation Vulnerability in OpenMediaVault 7.4.17

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Overview

A critical vulnerability has been discovered in OpenMediaVault 7.4.17, potentially allowing attackers to escalate privileges to root level. This report provides a comprehensive analysis of CVE-2025-50674, detailing the potential threat it poses to data security and system integrity.

Vulnerability Summary

CVE ID: CVE-2025-50674
Severity: High (7.8 CVSS Score)
Attack Vector: Local
Privileges Required: User
User Interaction: Required
Impact: Privilege escalation to root, potentially resulting in system compromise or data leakage.

Affected Products

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Product | Affected Versions

OpenMediaVault | 7.4.17

How the Exploit Works

The vulnerability resides in the changePassword method in the /usr/share/php/openmediavault/system/user.inc file. A local authenticated attacker can exploit this vulnerability to escalate their privileges to root level, potentially allowing them to compromise the system or leak data.

Conceptual Example Code

While no specific code is provided for this vulnerability, the conceptual exploitation could involve an authenticated user changing their password in a manner that manipulates the system and escalate their privileges. It could look something like this:

changePassword($user, $current_password, $new_password, $root_privileges = true);

In this conceptual example, the attacker modifies the changePassword function to include a parameter that grants root privileges.

Remediation

As a mitigation measure, it is strongly advised to apply vendor-provided patches immediately. In case of patch unavailability, users are advised to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation. Regularly updating and patching systems can significantly reduce the risk of such vulnerabilities.

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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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