EUVD-2025-26169

Comprehensive Technical Analysis of EUVD-2025-26169

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-26169 pertains to the Clinic Image System developed by Changing, which contains hard-coded credentials. This flaw allows unauthenticated remote attackers to gain administrator access to the system. The severity of this vulnerability is rated with a CVSS Base Score of 9.3, indicating a critical risk. The CVSS vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N highlights the following characteristics:

• Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
• Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
• Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required to exploit the vulnerability.
• Confidentiality Impact (VC): High (H) - Complete loss of confidentiality.
• Integrity Impact (VI): High (H) - Complete loss of integrity.
• Availability Impact (VA): High (H) - Complete loss of availability.

2. Potential Attack Vectors and Exploitation Methods

Given the nature of the vulnerability, potential attack vectors include:

• Network Scanning: Attackers can scan for vulnerable Clinic Image System instances over the network.
• Credential Stuffing: Using the hard-coded credentials found in the source code to gain unauthorized access.
• Automated Exploitation: Scripts or bots can be deployed to automatically exploit the vulnerability across multiple systems.

Exploitation methods may involve:

• Direct Login: Using the hard-coded credentials to log in as an administrator.
• Privilege Escalation: Once logged in, attackers can escalate privileges to perform further malicious activities.
• Data Exfiltration: Extracting sensitive data, including patient information and system configurations.

3. Affected Systems and Software Versions

The vulnerability affects the Clinic Image System developed by Changing. Specifically, the affected versions include:

• All versions of Clinic Image System.
• Specifically identified version: 0 ≤2.4.23.2131.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following strategies are recommended:

• Immediate Patching: Apply the latest security patches provided by Changing.
• Credential Management: Remove hard-coded credentials from the source code and implement secure credential management practices.
• Network Segmentation: Isolate the Clinic Image System from other critical systems to limit the scope of potential attacks.
• Monitoring and Logging: Implement robust monitoring and logging to detect and respond to unauthorized access attempts.
• Access Controls: Enforce strict access controls and multi-factor authentication (MFA) for administrative access.

5. Impact on European Cybersecurity Landscape

The presence of hard-coded credentials in the Clinic Image System poses a significant risk to healthcare institutions across Europe. The potential for unauthorized access to sensitive patient data and system configurations can lead to:

• Data Breaches: Compromise of patient confidentiality and integrity.
• Service Disruption: Potential disruption of critical healthcare services.
• Regulatory Compliance: Violation of GDPR and other regulatory requirements, leading to legal and financial repercussions.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Detection: Implement intrusion detection systems (IDS) and intrusion prevention systems (IPS) to detect and block unauthorized access attempts.
• Incident Response: Develop and test incident response plans specific to this vulnerability, including steps for containment, eradication, and recovery.
• Code Review: Conduct thorough code reviews to identify and remove hard-coded credentials and other security weaknesses.
• Security Training: Provide training for developers and administrators on secure coding practices and credential management.

Conclusion

The vulnerability in the Clinic Image System, as described in EUVD-2025-26169, represents a critical risk to healthcare institutions. Immediate action is required to patch the system, implement robust security controls, and ensure compliance with regulatory requirements. By adopting the recommended mitigation strategies, organizations can significantly reduce the risk of exploitation and protect sensitive healthcare data.