CVE-2017-18465 : What You Need to Know

Version 62.0.17 and earlier of cPanel lack an adequate inventory of restricted usernames (SEC-227).

Understanding CVE-2017-18465

cPanel before version 62.0.17 has a vulnerability related to the absence of a sufficient list of reserved usernames.

What is CVE-2017-18465?

cPanel versions prior to 62.0.17 do not adequately manage restricted usernames, leaving the system vulnerable to potential security breaches.

The Impact of CVE-2017-18465

This vulnerability could allow malicious users to exploit restricted usernames, potentially leading to unauthorized access and security compromises.

Technical Details of CVE-2017-18465

Vulnerability Description

cPanel versions before 62.0.17 lack a comprehensive list of reserved usernames, posing a security risk.

Affected Systems and Versions

Product: cPanel
Vendor: Not applicable
Versions affected: 62.0.17 and earlier

Exploitation Mechanism

Attackers could exploit this vulnerability by leveraging the absence of restricted usernames to gain unauthorized access to the system.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 62.0.17 or later to address this vulnerability.
Regularly review and update the list of restricted usernames to enhance system security.

Long-Term Security Practices

Implement strong password policies and multi-factor authentication to mitigate unauthorized access risks.
Conduct regular security audits and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by cPanel to ensure the system is protected against known vulnerabilities.