OAuth2 Client Authentication Bypass via Specially Crafted Requests

CVE-2023-40545 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 versions via specially crafted requests.

Learn more about our Web Application Penetration Testing UK.