CVE-2021-22047
In Spring Data REST versions 3.4.0 – 3.4.13, 3.5.0 – 3.5.5, and older unsupported versions, HTTP resources implemented by custom controllers using a configured base API path and a controller type-level request mapping are additionally exposed under URIs that can potentially be exposed for unauthorized access depending on the Spring Security configuration.
Source: CVE-2021-22047