CVE-2024-28197

/// Technical description

Zitadel is an open source identity management system. Zitadel uses a cookie to identify the user agent (browser) and its user sessions. Although the cookie was handled according to best practices, it was accessible on subdomains of the ZITADEL instance. An attacker could take advantage of this and provide a malicious link hosted on the subdomain to the user to gain access to the victim’s account in certain scenarios. A possible victim would need to login through the malicious link for this exploit to work. If the possible victim already had the cookie present, the attack would not succeed. The attack would further only be possible if there was an initial vulnerability on the subdomain. This could either be the attacker being able to control DNS or a XSS vulnerability in an application hosted on a subdomain. Versions 2.46.0, 2.45.1, and 2.44.3 have been patched. Zitadel recommends upgrading to the latest versions available in due course. Note that applying the patch will invalidate the

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References