CVE-2021-41391 Explained : Impact and Mitigation

In Ericsson ECM before 18.0, a vulnerability in the Security Management Endpoint allows for stored Cross-Site Scripting (XSS) attacks, potentially leading to session hijacking and complete account compromise.

Understanding CVE-2021-41391

What is CVE-2021-41391?

In Ericsson ECM before version 18.0, a specific security endpoint is susceptible to a stored XSS attack through a name field, opening the door to severe security breaches.

The Impact of CVE-2021-41391

The vulnerability could result in session hijacking and complete account takeover, posing significant risks to user data and system integrity.

Technical Details of CVE-2021-41391

Vulnerability Description

A stored XSS vulnerability exists in the Security Management Endpoint within the User Profile Management section of Ericsson ECM versions prior to 18.0.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited through the name field in User Profile Management, allowing malicious actors to inject and execute malicious scripts potentially leading to session hijacking and full account control.

Mitigation and Prevention

Immediate Steps to Take

Update Ericsson ECM to version 18.0 or later to mitigate the vulnerability.
Regularly monitor and review user profiles for any suspicious activity.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply security patches promptly as they become available to protect against known vulnerabilities.