EUVD-2025-21770

Comprehensive Technical Analysis of EUVD-2025-21770

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the EUVD entry EUVD-2025-21770 pertains to a SQL Injection flaw in the WeGIA web manager, specifically in versions prior to 3.4.6. The vulnerability is located in the idatendido_familiares parameter of the /html/funcionario/dependente_editarEndereco.php endpoint. SQL Injection vulnerabilities are critical because they allow attackers to manipulate SQL queries, potentially leading to unauthorized access to sensitive database information.

The Base Score of 9.4, as per CVSS 4.0, indicates a high severity. The scoring vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H breaks down as follows:

• AV:N (Network): The vulnerability is exploitable over the network.
• AC:L (Low): The attack complexity is low, meaning it does not require specialized conditions.
• AT:N (None): No authentication is required to exploit the vulnerability.
• PR:L (Low): The attacker requires low privileges to exploit the vulnerability.
• UI:N (None): No user interaction is required.
• VC:H (High), VI:H (High), VA:H (High): The vulnerability has high confidentiality, integrity, and availability impacts.
• SC:H (High), SI:H (High), SA:H (High): The scope change, scope integrity, and scope availability impacts are high.

2. Potential Attack Vectors and Exploitation Methods

Attackers can exploit this vulnerability by crafting malicious SQL queries and injecting them into the idatendido_familiares parameter. Common attack vectors include:

• Direct SQL Injection: Inserting SQL commands directly into the parameter to extract data or manipulate the database.
• Blind SQL Injection: Using conditional statements to infer database structure and data without direct feedback.
• Union-Based SQL Injection: Combining the results of two or more SELECT statements to extract additional data.

Exploitation methods may involve:

• Automated Tools: Using tools like SQLMap to automate the injection process.
• Manual Exploitation: Crafting custom SQL queries to extract specific information.

3. Affected Systems and Software Versions

The vulnerability affects all versions of WeGIA prior to 3.4.6. Organizations using these versions are at risk and should prioritize updating to version 3.4.6 or later to mitigate the issue.

4. Recommended Mitigation Strategies

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

• Immediate Patching: Upgrade to WeGIA version 3.4.6 or later, which includes the fix for this vulnerability.
• Input Validation: Implement robust input validation and sanitization to prevent malicious input from reaching the database.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL commands are separated from data.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block SQL Injection attempts.
• Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security issues.

5. Impact on European Cybersecurity Landscape

The vulnerability in WeGIA, which is focused on the Portuguese language and charitable institutions, highlights the importance of securing open-source software, especially in sectors that handle sensitive data. The high severity score indicates a significant risk to organizations using the affected versions, potentially leading to data breaches and loss of sensitive information. This underscores the need for continuous monitoring and prompt patching of open-source software in the European cybersecurity landscape.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerable Endpoint: /html/funcionario/dependente_editarEndereco.php
• Vulnerable Parameter: idatendido_familiares
• Exploitation: Inject SQL commands into the parameter to manipulate database queries.
• Detection: Monitor for unusual SQL query patterns and database access logs.
• Mitigation: Implement input validation, use parameterized queries, and deploy WAFs.
• Patch: Upgrade to WeGIA version 3.4.6 or later.

Conclusion

The SQL Injection vulnerability in WeGIA versions prior to 3.4.6 is a critical issue that requires immediate attention. Organizations should prioritize updating to the patched version and implement additional security measures to protect against similar vulnerabilities. The European cybersecurity landscape must continue to emphasize the importance of securing open-source software to prevent data breaches and ensure the integrity of sensitive information.

References

• GitHub Security Advisory
• EUVD ID: EUVD-2025-21770
• CVE ID: CVE-2025-54058