CVE-2021-45877 : Vulnerability Insights and Analysis

Multiple versions of GARO Wallbox GLB/GTB/GTC contain hard-coded credentials that can be exploited by attackers to gain unauthorized access and control the Tomcat server.

Understanding CVE-2021-45877

What is CVE-2021-45877?

Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by hard-coded credentials present in /etc/tomcat8/tomcat-user.xml. This vulnerability allows malicious actors to gain authorized access and fully control the Tomcat server on port 8000.

The Impact of CVE-2021-45877

This vulnerability could lead to unauthorized access to the affected systems, enabling attackers to take control of the Tomcat server and potentially disrupt services or exfiltrate sensitive data.

Technical Details of CVE-2021-45877

Vulnerability Description

The vulnerability stems from hard-coded credentials in /etc/tomcat8/tomcat-user.xml, providing unauthorized access to the Tomcat server.

Affected Systems and Versions

Product: GARO Wallbox GLB/GTB/GTC
Version: All versions

Exploitation Mechanism

Attackers can utilize the hard-coded credentials to gain access to the Tomcat server on port 8000, allowing complete control over the server through the Tomcat manager page.

Mitigation and Prevention

Immediate Steps to Take

Remove or change the hard-coded credentials in /etc/tomcat8/tomcat-user.xml to prevent unauthorized access.
Monitor and restrict access to the Tomcat server on port 8000.

Long-Term Security Practices

Implement secure coding practices to avoid hard-coding sensitive information.
Regularly update and patch software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate security risks.

Patching and Updates

Ensure that all affected GARO Wallbox GLB/GTB/GTC systems are updated with the latest patches and security fixes to eliminate the hard-coded credential vulnerability.