An issue has been discovered in GitLab affecting versions prior to 13.2.10, 13.3.7 and 13.4.2: Lack of Rate Limiting at Re-Sending Confirmation Email
https://gitlab.com/gitlab-org/gitlab/-/issues/222966
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13342.json