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CVE-2025-492030 — Proof-of-concept for CVE-2025-492030: account takeover via session token validation bypass in SecureVPN API endpoint /api/v1/authenticate. | Kitploit
Tools/GitHubGitHub/imthecopilotnow/cve-2025-492030
Vulnerability AnalysisExploitationWeb Application ExploitationPenetration TestingAuthenticationAPI Security
GitHubimthecopilotnow/cve-2025-492030

CVE-2025-492030

Proof-of-concept for CVE-2025-492030: account takeover via session token validation bypass in SecureVPN API endpoint /api/v1/authenticate.

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61 year agoNot yet reviewed

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CVE-2025-492030

Security Advisory: CVE-2025-492030

Overview

A critical vulnerability has been identified in the SecureVPN application, which allows for account takeover through a vulnerable API endpoint. This flaw could enable attackers to gain unauthorized access to user accounts, potentially exposing sensitive data and compromising user privacy.

Vulnerability Details

  • CVE ID: CVE-2025-492030
  • Severity: Critical
  • Impact: Account Takeover
  • Affected Component: SecureVPN API Endpoint
  • Attack Vector: Remote

Technical Breakdown

The vulnerability resides in the authentication mechanism of the SecureVPN API. Specifically:

  1. Endpoint: /api/v1/authenticate
  2. Issue: The API endpoint fails to properly validate user credentials during the authentication process. Instead of verifying the provided credentials against the database, the endpoint accepts any valid session token, even if it belongs to a different user.
  • Exploit:
    • An attacker can intercept a valid session token using tools like packet sniffers or by exploiting other vulnerabilities in the network.
    • The attacker then uses the intercepted token to authenticate as another user, gaining full access to their account.
  • Root Cause:
    • Lack of proper session token validation.
    • Absence of user-specific token binding during authentication.

    • Proof of Concept (PoC)

    A simplified example of the exploit:

    1. Intercept a session token using a network monitoring tool.
    2. Send a POST request to the vulnerable endpoint:
      root@kitploit:~
      curl -X POST https://securevpn.com/api/v1/authenticate \
-H "Authorization: Bearer <intercepted_token>" \
-d '{"username": "victim_user"}'
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