CVE-2021-40101 Explained : Impact and Mitigation

Concrete CMS before version 8.5.7 has a security issue that allows a user's password to be changed without requiring the current password.

Understanding CVE-2021-40101

Concrete CMS is vulnerable to a security flaw that impacts user password change functionality, potentially leading to unauthorized password modifications.

What is CVE-2021-40101?

The vulnerability in Concrete CMS before 8.5.7 enables users to change their passwords without authenticating with the current password, posing a security risk.

The Impact of CVE-2021-40101

This vulnerability could result in unauthorized users gaining access to accounts by changing passwords without verification, compromising system security.

Technical Details of CVE-2021-40101

Concrete CMS CVE-2021-40101 involves the following details:

Vulnerability Description

The issue in version 8.5.7 allows password changes without the current password confirmation.

Affected Systems and Versions

Product: Concrete CMS
Vendor: Concrete CMS
Versions: Before 8.5.7

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by changing passwords without the required authentication, potentially compromising user accounts.

Mitigation and Prevention

Concrete CMS users can take the following actions to mitigate the CVE-2021-40101 vulnerability:

Immediate Steps to Take

Upgrade Concrete CMS to version 8.5.7 or newer
Encourage users to set strong and unique passwords
Monitor accounts for any unauthorized password changes

Long-Term Security Practices

Implement multi-factor authentication for enhanced security
Regularly educate users on best password practices and security awareness
Conduct security audits and penetration testing to identify vulnerabilities

Patching and Updates

Concrete CMS users should promptly apply security patches released by the vendor to fix the password change vulnerability.