EUVD-2025-10907

Comprehensive Technical Analysis of EUVD-2025-10907

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-10907, also known as CVE-2025-22371, is classified as an "Improper Neutralization of Special Elements used in an SQL Command" or SQL Injection vulnerability. This issue affects the SicommNet BASEC (SaaS Service) login page, allowing unauthenticated remote attackers to bypass authentication and execute arbitrary SQL commands. The severity of this vulnerability is rated with a Base Score of 9.3 according to CVSS 4.0, indicating a critical risk.

CVSS Vector Breakdown:

• AV:N (Network Vector): The vulnerability is exploitable over the network.
• AC:L (Low Complexity): The attack requires low skill or resources.
• AT:N (No Authentication): No authentication is required to exploit the vulnerability.
• PR:N (No Privileges Required): No privileges are required to exploit the vulnerability.
• UI:N (No User Interaction): No user interaction is required to exploit the vulnerability.
• VC:H (High Confidentiality Impact): The vulnerability has a high impact on confidentiality.
• VI:H (High Integrity Impact): The vulnerability has a high impact on integrity.
• VA:H (High Availability Impact): The vulnerability has a high impact on availability.
• SC:L (Low Scope Change): The vulnerability does not change the security scope.
• SI:N (No Scope Integrity): The vulnerability does not affect the integrity of the security scope.
• SA:N (No Scope Availability): The vulnerability does not affect the availability of the security scope.
• AU:Y (Authentication Required): The vulnerability requires authentication.
• V:C (Confidentiality): The vulnerability affects confidentiality.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is through the login page of the SicommNet BASEC SaaS service. An attacker can exploit this vulnerability by injecting malicious SQL commands into the login form fields. Potential exploitation methods include:

• Authentication Bypass: Crafting SQL injection payloads to bypass the authentication mechanism.
• Data Exfiltration: Executing SQL commands to extract sensitive data from the database.
• Data Manipulation: Modifying database entries to disrupt service or alter data integrity.
• Denial of Service (DoS): Executing SQL commands that could overload the database server, leading to service disruption.

3. Affected Systems and Software Versions

The vulnerability affects the SicommNet BASEC SaaS service, specifically the login page. It is known to impact versions of BASEC from 14 Dec 2021 onwards. It is likely that this vulnerability has been present in earlier versions as well.

4. Recommended Mitigation Strategies

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

• Immediate Patching: Apply any available patches or updates from SicommNet as soon as they are released.
• Input Validation: Implement robust input validation and sanitization mechanisms to prevent SQL injection attacks.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL commands are executed safely.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block SQL injection attempts.
• Regular Security Audits: Conduct regular security audits and penetration testing to identify and address vulnerabilities.
• User Education: Educate users about the risks of SQL injection and best practices for secure coding.

5. Impact on European Cybersecurity Landscape

The presence of this vulnerability in a widely used SaaS service like SicommNet BASEC poses a significant risk to the European cybersecurity landscape. Organizations relying on this service could face data breaches, unauthorized access, and service disruptions. The critical nature of the vulnerability underscores the need for vigilant cybersecurity practices and prompt response to vulnerability disclosures.

6. Technical Details for Security Professionals

Detection:

• Log Analysis: Monitor database logs for unusual SQL queries or error messages indicating SQL injection attempts.
• Intrusion Detection Systems (IDS): Use IDS to detect anomalous network traffic patterns that may indicate SQL injection attacks.

Exploitation:

• SQL Injection Payloads: Craft SQL injection payloads to test the vulnerability. Example payloads include:

  ' OR '1'='1
  ' OR '1'='1' --
  ' OR '1'='1' /*
  

Remediation:

• Code Review: Conduct a thorough code review to identify and fix SQL injection vulnerabilities.
• Database Security: Implement database security measures such as least privilege access and regular audits.
• Incident Response: Develop an incident response plan to quickly address and mitigate any SQL injection attacks.

References:

• SicommNet BASEC Login Page
• DIVD CSIRT Report
• NVD CVE-2025-22371

By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of SQL injection attacks and protect their critical data and services.