CVE-2022-22690 : What You Need to Know

Umbraco Remote ApplicationURL Overwrite is a high severity vulnerability affecting Umbraco CMS versions less than 9.2.0. This vulnerability allows an attacker to manipulate the Application URL, potentially leading to account takeover.

Understanding CVE-2022-22690

This section provides insight into the nature of the Umbraco Remote ApplicationURL Overwrite vulnerability.

What is CVE-2022-22690?

Within the Umbraco CMS, a configuration element named "UmbracoApplicationUrl" is used to build URLs pointing back to the site. Attackers can exploit this by manipulating the URL, affecting all users for components using this configuration.

The Impact of CVE-2022-22690

The vulnerability allows attackers to change reset password URLs, leading users to malicious sites where reset tokens can be intercepted, resulting in potential account takeovers.

Technical Details of CVE-2022-22690

This section delves into the technical aspects of the CVE.

Vulnerability Description

In Umbraco versions less than 9.2.0, if the Application URL is not configured, attackers can persistently manipulate the URL, impacting all users.

Affected Systems and Versions

Umbraco CMS versions less than 9.2.0 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability enables attackers to change URLs, redirecting users to malicious sites and intercepting sensitive data.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2022-22690.

Immediate Steps to Take

Ensure Umbraco CMS is updated to version 9.2.0 or higher, and configure the Application URL securely to prevent manipulation.

Long-Term Security Practices

Regularly update Umbraco CMS and educate users about verifying URLs before interacting with them.

Patching and Updates

Stay informed about security updates and apply patches promptly to protect systems from exploitation.