CVE-2023-6928 : Security Advisory and Response

This CVE-2023-6928 pertains to the improper restriction of excessive authentication attempts vulnerability found in EuroTel ETL3100 versions v01c01 and v01x37. The vulnerability allows attackers to guess administrative credentials in remote password attacks, potentially leading to full control of the system.

Understanding CVE-2023-6928

This section will delve into the details of CVE-2023-6928, its impact, technical specifics, and mitigation strategies.

What is CVE-2023-6928?

The CVE-2023-6928 vulnerability in EuroTel ETL3100 versions v01c01 and v01x37 arises from the system's failure to limit the number of attempts to guess administrative credentials in remote password attacks. This oversight can grant unauthorized individuals full control over the system, posing a significant security risk.

The Impact of CVE-2023-6928

With a CVSS base severity score of 9.8 (Critical), the impact of CVE-2023-6928 is grave. The vulnerability's exploitation can result in high confidentiality, integrity, and availability impacts. Attackers can carry out remote password attacks to gain full control of the affected system, potentially leading to data breaches and system compromise.

Technical Details of CVE-2023-6928

In this section, we will explore the technical aspects of CVE-2023-6928, including vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from EuroTel ETL3100 versions v01c01 and v01x37 failing to limit the number of attempts to guess administrative credentials in remote password attacks. This oversight creates an avenue for malicious actors to exploit the system's authentication process.

Affected Systems and Versions

EuroTel ETL3100 versions v01c01 and v01x37 are impacted by CVE-2023-6928. Organizations using these specific versions of the ETL3100 device are susceptible to the security vulnerability.

Exploitation Mechanism

Attackers can leverage the CVE-2023-6928 vulnerability by launching remote password attacks on EuroTel ETL3100 versions v01c01 and v01x37. By repeatedly attempting to guess administrative credentials without limitation, threat actors can gain unauthorized access and full control of the system.

Mitigation and Prevention

To address CVE-2023-6928 and enhance security posture, organizations should implement immediate steps, adopt long-term security practices, and prioritize patching and updates to remediate the vulnerability effectively.

Immediate Steps to Take

Organizations should promptly assess if their systems are running EuroTel ETL3100 versions v01c01 and v01x37.
Implement strong password policies and enforce account lockout mechanisms to deter brute-force attacks.
Monitor system logs for unusual login attempts or suspicious activities.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and remediate vulnerabilities proactively.
Provide cybersecurity awareness training to staff to enhance vigilance against social engineering tactics.

Patching and Updates

EuroTel should release patches or updates that address the improper restriction of excessive authentication attempts vulnerability in affected versions.
Organizations should prioritize the installation of security patches promptly to mitigate the risk posed by CVE-2023-6928.