{"id":"CVE-2020-16251","aliases":["BIT-vault-2020-16251","GHSA-4mp7-2m29-gqxf","GO-2024-2488"],"url":"https://o3.security/vulnerability/CVE-2020-16251","summary":"HashiCorp Vault Authentication bypass","details":"HashiCorp Vault and Vault Enterprise versions 0.8.3 and newer, when configured with the GCP GCE auth method, may be vulnerable to authentication bypass. Fixed in 1.2.5, 1.3.8, 1.4.4, and 1.5.1.","published":"2020-08-26T15:15:12.913Z","modified":"2026-07-08T19:01:31.515454Z","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/vault","fixedVersion":"1.2.5"},{"ecosystem":"Go","name":"github.com/hashicorp/vault","fixedVersion":"1.3.8"},{"ecosystem":"Go","name":"github.com/hashicorp/vault","fixedVersion":"1.4.4"},{"ecosystem":"Go","name":"github.com/hashicorp/vault","fixedVersion":"1.5.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass.html"},{"type":"ADVISORY","url":"https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151"},{"type":"ADVISORY","url":"https://www.hashicorp.com/blog/category/vault/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T19:01:31.515454Z"}}