EUVD-2025-38730

Comprehensive Technical Analysis of EUVD-2025-38730

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in EIP Plus, developed by Hundred Plus, involves a Weak Password Recovery Mechanism. This flaw allows an unauthenticated remote attacker to predict or brute-force the 'forgot password' link, thereby successfully resetting any user's password. The severity of this vulnerability is rated with a Base Score of 9.3 according to CVSS version 4.0. This high score indicates a critical vulnerability due to the following factors:

• Attack Vector (AV:N): The vulnerability can be exploited over the network.
• Attack Complexity (AC:L): The attack requires low complexity.
• Authentication (AT:N): No authentication is required to exploit the vulnerability.
• Privileges Required (PR:N): No privileges are required.
• User Interaction (UI:N): No user interaction is required.
• Confidentiality Impact (VC:H): High impact on confidentiality.
• Integrity Impact (VI:H): High impact on integrity.
• Availability Impact (VA:H): High impact on availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is the 'forgot password' functionality. An attacker can exploit this weakness through the following methods:

• Brute-Force Attack: Automated tools can be used to generate and test multiple 'forgot password' links until a valid one is found.
• Predictable Links: If the 'forgot password' links are generated in a predictable manner, an attacker can predict future links and use them to reset passwords.
• Phishing: An attacker can send phishing emails to users, tricking them into clicking on a malicious 'forgot password' link.

3. Affected Systems and Software Versions

The vulnerability affects EIP Plus versions prior to RELEASE_240626. All systems running these versions are at risk. It is crucial for organizations using EIP Plus to identify and update their software to the latest version to mitigate this risk.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

• Update Software: Immediately update EIP Plus to the latest version (RELEASE_240626 or later).
• Implement Strong Password Policies: Ensure that password recovery mechanisms use strong, unpredictable tokens and enforce complex password policies.
• Monitor and Log: Implement monitoring and logging for password recovery attempts to detect and respond to suspicious activities.
• User Education: Educate users about phishing attacks and the importance of verifying the authenticity of 'forgot password' links.
• Multi-Factor Authentication (MFA): Implement MFA for password recovery processes to add an additional layer of security.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant. Given the high severity score, organizations across Europe using EIP Plus are at risk of unauthorized access, data breaches, and potential financial losses. The vulnerability underscores the need for robust cybersecurity practices and timely updates to mitigate such risks.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Identification: The vulnerability is identified as CVE-2025-12866 and EUVD-2025-38730.
• References: Additional information can be found at the provided references:
  • TWCERT Reference 1
  • TWCERT Reference 2
  • NVD Reference
• Assigner: The vulnerability was assigned by TWCERT.
• ENISA IDs:
  • Product: 91687053-3372-3112-8e1a-56e9b16050c4 (EIP Plus)
  • Vendor: 6ad89309-aa26-3a62-aa20-e52662d88800 (Hundred Plus)

Security professionals should prioritize the implementation of the recommended mitigation strategies and ensure that all affected systems are updated to the latest version. Regular audits and penetration testing should be conducted to identify and address similar vulnerabilities in other systems.

Conclusion

The Weak Password Recovery Mechanism vulnerability in EIP Plus is a critical issue that requires immediate attention. By understanding the attack vectors, affected systems, and implementing the recommended mitigation strategies, organizations can significantly reduce the risk of exploitation. The European cybersecurity landscape will benefit from proactive measures to address such vulnerabilities, ensuring the protection of sensitive data and maintaining trust in digital services.