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CVE-2025-45237: Critical Access Control Vulnerability in DBSyncer v2.0.6

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Overview

The recent discovery of an Incorrect Access Control vulnerability labeled as CVE-2025-45237 in DBSyncer version 2.0.6 has raised significant concern in the cybersecurity community. This vulnerability, if exploited, can lead to unauthorized access to sensitive account information contained in JSON files, which includes encrypted passwords. This can potentially result in system compromise or data leakage, causing significant damage to the affected entities.

Vulnerability Summary

CVE ID: CVE-2025-45237
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized access to sensitive information leading to potential system compromise or data leakage.

Affected Products

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Product | Affected Versions

DBSyncer | v2.0.6

How the Exploit Works

The vulnerability resides within the /config/download component of DBSyncer v2.0.6. Incorrect access control in this component allows attackers to access the JSON file containing sensitive account information, including encrypted passwords. An attacker could exploit this vulnerability to gain unauthorized access to sensitive information, which could be used to compromise the system or leak data.

Conceptual Example Code

An attacker may exploit the vulnerability by sending a specially crafted HTTP request to the vulnerable endpoint. An example of this could look like the following:

GET /config/download/ HTTP/1.1
Host: target.example.com

This simple request could potentially return a JSON file containing sensitive account information if the vulnerability exists and is unpatched.

Mitigation Guidance

To mitigate the risks associated with this vulnerability, users are strongly encouraged to apply the vendor-supplied patch. In the absence of an available patch, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation strategy by detecting and preventing attempted exploits of the vulnerability.

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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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