EUVD-2024-45755

Comprehensive Technical Analysis of EUVD-2024-45755

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-45755 pertains to the use of default credentials in ABB ASPECT products running on Linux. This vulnerability allows unauthorized access to the product using publicly available default credentials. The CVSS (Common Vulnerability Scoring System) base score of 10.0 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H breaks down as follows:

• AV:N (Attack Vector: Network) - The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low) - The attack requires low complexity to exploit.
• PR:N (Privileges Required: None) - No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None) - No user interaction is required to exploit the vulnerability.
• S:C (Scope: Changed) - The vulnerability affects a different security scope.
• C:H (Confidentiality: High) - There is a high impact on confidentiality.
• I:H (Integrity: High) - There is a high impact on integrity.
• A:H (Availability: High) - There is a high impact on availability.

Given these metrics, the vulnerability poses a significant risk to the affected systems.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is network-based. Attackers can exploit this vulnerability by:

• Scanning for Default Credentials: Using automated tools to scan for systems with default credentials.
• Brute Force Attacks: Attempting to log in using known default credentials.
• Credential Stuffing: Using lists of known default credentials to gain unauthorized access.

Once access is gained, attackers can:

• Exfiltrate Sensitive Data: Access and steal confidential information.
• Modify System Settings: Alter configurations to disrupt operations.
• Deploy Malware: Install malicious software to further compromise the system.

3. Affected Systems and Software Versions

The affected products and versions are:

• ABB ASPECT - Enterprise v3.07.02
• NEXUS Series v3.07.02
• MATRIX Series v3.07.02

These products are used in various industrial and enterprise settings, making them critical targets for cyberattacks.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following strategies should be implemented:

• Change Default Credentials: Immediately change all default credentials to strong, unique passwords.
• Implement Multi-Factor Authentication (MFA): Add an additional layer of security by requiring MFA for access.
• Network Segmentation: Segregate critical systems from the general network to limit exposure.
• Regular Audits: Conduct regular security audits to identify and remediate vulnerabilities.
• Patch Management: Ensure that all systems are updated with the latest security patches from the vendor.
• Monitoring and Logging: Implement robust monitoring and logging to detect and respond to unauthorized access attempts.

5. Impact on European Cybersecurity Landscape

The presence of default credentials in critical systems poses a significant risk to European cybersecurity. This vulnerability can be exploited to disrupt industrial operations, steal sensitive data, and compromise national security. The widespread use of ABB products in various sectors, including energy, manufacturing, and infrastructure, amplifies the potential impact.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Detection: Use network monitoring tools to detect unusual login attempts and brute force attacks.
• Response: Develop incident response plans specific to credential-based attacks.
• Prevention: Implement strict password policies and regular training for employees on cybersecurity best practices.
• Compliance: Ensure compliance with relevant regulations and standards, such as GDPR and ISO 27001.
• Vendor Communication: Maintain open communication with the vendor (ABB) for updates and patches.

Conclusion

The vulnerability described in EUVD-2024-45755 is critical and requires immediate attention. By implementing the recommended mitigation strategies and maintaining vigilant monitoring, organizations can significantly reduce the risk of exploitation. The impact on the European cybersecurity landscape underscores the need for a proactive and comprehensive approach to cybersecurity.

References

• ABB Documentation
• CVE ID: CVE-2024-51551
• Assigner: ABB
• ENISA ID Product:
  • MATRIX Series v3.07.02
  • NEXUS Series v3.07.02
  • ASPECT-Enterprise v3.07.02
• ENISA ID Vendor: ABB