CVE-2020-13961 Explained : Impact and Mitigation

Strapi before 3.0.2 could allow a remote authenticated attacker to bypass security restrictions by exploiting a vulnerability in template handling.

Understanding CVE-2020-13961

Strapi version before 3.0.2 is susceptible to a security flaw that could be exploited by an authenticated attacker.

What is CVE-2020-13961?

Strapi before version 3.0.2 is vulnerable to a security bypass issue due to the insecure storage of templates, allowing an attacker to manipulate email templates for password reset and account confirmation emails.

The Impact of CVE-2020-13961

The vulnerability could be exploited by a remote authenticated attacker to modify email templates, potentially leading to unauthorized access or phishing attacks.

Technical Details of CVE-2020-13961

Strapi before version 3.0.2 is affected by this vulnerability.

Vulnerability Description

The issue arises from storing templates in a global variable without proper sanitation, enabling attackers to update email templates maliciously.

Affected Systems and Versions

Product: Strapi
Vendor: N/A
Versions: Before 3.0.2

Exploitation Mechanism

By sending a specially crafted request, a remote authenticated attacker can exploit this vulnerability to alter email templates for password reset and account confirmation emails.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2020-13961.

Immediate Steps to Take

Upgrade Strapi to version 3.0.2 or later to address the vulnerability.
Monitor for any unauthorized changes to email templates.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities.
Regularly update and patch software to stay protected against known security issues.

Patching and Updates

Ensure timely application of patches and updates to Strapi to eliminate the vulnerability and enhance overall security.