EUVD-2025-11117

Comprehensive Technical Analysis of EUVD-2025-11117

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-11117, also known as CVE-2025-26927, is classified as an "Unrestricted Upload of File with Dangerous Type" vulnerability in the EPC AI Hub. This vulnerability allows an attacker to upload a web shell to a web server, which can lead to complete control over the affected system. 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
• AC:L - Attack Complexity: Low
• PR:N - Privileges Required: None
• UI:N - User Interaction: None
• S:C - Scope: Changed
• C:H - Confidentiality Impact: High
• I:H - Integrity Impact: High
• A:H - Availability Impact: High

This score signifies that the vulnerability is highly exploitable and can result in severe impacts on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is the unrestricted file upload functionality in the EPC AI Hub. An attacker can exploit this by:

1. Uploading a Web Shell: The attacker can upload a malicious file, such as a PHP web shell, which allows them to execute arbitrary commands on the server.
2. Remote Code Execution (RCE): Once the web shell is uploaded, the attacker can execute commands remotely, leading to full control over the server.
3. Data Exfiltration: The attacker can exfiltrate sensitive data, including user credentials, configuration files, and other critical information.
4. Lateral Movement: The attacker can use the compromised server as a pivot point to move laterally within the network, compromising other systems.

3. Affected Systems and Software Versions

The vulnerability affects the EPC AI Hub from version n/a through 1.3.3. This means that all versions up to and including 1.3.3 are vulnerable. Organizations using these versions are at risk and should take immediate action to mitigate the threat.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following steps should be taken:

1. Patch Management: Immediately update the EPC AI Hub to a version that addresses this vulnerability. If a patch is not available, consider disabling the file upload functionality until a fix is released.
2. Input Validation: Implement strict input validation and sanitization for file uploads to ensure that only safe file types are accepted.
3. Access Controls: Enforce strict access controls to limit who can upload files to the server.
4. Monitoring and Logging: Implement robust monitoring and logging to detect and respond to any suspicious file upload activities.
5. Web Application Firewalls (WAF): Deploy WAFs to block malicious file upload attempts and other common web application attacks.
6. Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security weaknesses.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant. Given the critical nature of the vulnerability and its high exploitability, organizations across Europe using the EPC AI Hub are at risk of severe data breaches, unauthorized access, and potential disruption of services. This underscores the importance of timely patch management and proactive security measures to protect against such threats.

6. Technical Details for Security Professionals

For security professionals, the following technical details are crucial:

• Detection: Use intrusion detection systems (IDS) and intrusion prevention systems (IPS) to detect and block attempts to upload malicious files.
• Incident Response: Develop an incident response plan that includes steps for identifying, containing, and eradicating the threat. Ensure that backups are available and tested regularly.
• Forensic Analysis: In case of a breach, conduct a thorough forensic analysis to understand the extent of the compromise and identify any additional vulnerabilities.
• Security Training: Provide regular training for IT staff and users on secure file handling practices and the importance of adhering to security policies.

By addressing these points, organizations can significantly reduce the risk posed by this vulnerability and enhance their overall cybersecurity posture.

Conclusion

The EUVD-2025-11117 vulnerability in the EPC AI Hub is a critical threat that requires immediate attention. Organizations should prioritize patching affected systems, implementing robust security controls, and maintaining vigilant monitoring to protect against potential exploitation. The European cybersecurity landscape demands proactive measures to safeguard against such high-impact vulnerabilities.