CVE-2020-26103 : Security Advisory and Response

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

Understanding CVE-2020-26103

In cPanel before version 88.0.3, a vulnerability exists where an insecure site password is utilized for Mailman on a templated VM.

What is CVE-2020-26103?

This CVE refers to the specific vulnerability found in cPanel versions prior to 88.0.3, where an insecure site password is employed for Mailman on a templated VM.

The Impact of CVE-2020-26103

The utilization of an insecure site password for Mailman on a templated VM in cPanel before version 88.0.3 poses a security risk, potentially leading to unauthorized access and compromised data.

Technical Details of CVE-2020-26103

In-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability in cPanel before 88.0.3 involves the use of an insecure site password for Mailman on a templated VM, identified as SEC-551.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by attackers to gain unauthorized access to Mailman on a templated VM due to the use of an insecure site password.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-26103 vulnerability.

Immediate Steps to Take

Upgrade cPanel to version 88.0.3 or newer to mitigate the vulnerability.
Change the site password for Mailman on templated VMs to a secure and strong password.

Long-Term Security Practices

Regularly review and update passwords for all services and accounts.
Implement multi-factor authentication where possible to enhance security.

Patching and Updates

Stay informed about security updates and patches released by cPanel.
Apply patches promptly to ensure the security of the system.