[org.springframework.cloud:spring-cloud-openfeign-core] Exposure of Resource to Wrong Sphere in Spring Cloud OpenFeign

In Spring Cloud OpenFeign 3.0.0 to 3.0.4, 2.2.0.RELEASE to 2.2.9.RELEASE, and older unsupported versions, applications using type-level @RequestMappingannotations over Feign client interfaces, can be involuntarily exposing endpoints corresponding to @RequestMapping-annotated interface methods.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-22044
• https://tanzu.vmware.com/security/cve-2021-22044
• https://github.com/advisories/GHSA-pf94-6v2v-cm3j