Overview
The recent discovery of a significant vulnerability in Envasadora H2O Eireli – Soda Cristal v40.20.4 has raised serious cybersecurity concerns. This flaw, designated as CVE-2025-52389, exposes users to potential system compromise and data leakage. As an Insecure Direct Object Reference (IDOR) vulnerability, it allows authenticated attackers to manipulate HTTP requests to gain unauthorized access to sensitive data. Given the widespread use of the affected software, this vulnerability poses a significant threat to user privacy and data security.
Vulnerability Summary
CVE ID: CVE-2025-52389
Severity: High, with a CVSS score of 8.8
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Impact: Unauthorized access to sensitive data, potential system compromise
Affected Products
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Product | Affected Versions
Envasadora H2O Eireli – Soda Cristal | v40.20.4
How the Exploit Works
The exploit takes advantage of an IDOR vulnerability. In this scenario, an attacker with authenticated access can manipulate the parameters of an HTTP request to reference objects (data files, user accounts, etc.) that they should not have access to. The system fails to properly verify the user’s authorization before processing the request, thus granting the attacker access to sensitive data.
Conceptual Example Code
Here’s a hypothetical example of how an HTTP request might be crafted to exploit this vulnerability:
GET /user_data?id=12345 HTTP/1.1
Host: vulnerable-website.com
Authorization: Bearer <attacker's legitimate token>
{ "user_id": "67890" }In this example, the attacker is using their valid session token but changes the ‘user_id’ in the request to that of another user. The server mistakenly trusts the session token and returns sensitive data for user 67890, despite the request coming from the attacker.
Mitigation and Prevention
The best course of action is to apply the vendor’s patch as soon as possible. In the meantime, or if patching is not immediately feasible, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These can be configured to detect and block suspicious HTTP requests that may be attempting to exploit this vulnerability. Furthermore, developers should enforce strict access controls and ensure proper authorization checks are in place to prevent such vulnerabilities.
