{"cve":"CVE-2020-16251","nvd":{"published":"2020-08-26T15:15:12.913","modified":"2026-06-17T02:57:56.553","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","score":8.2},"cwes":["CWE-287"],"references":["http://packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass.html","https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151","https://www.hashicorp.com/blog/category/vault/","http://packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass.html","https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151"],"products":["hashicorp:vault"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-16251","score":0.02828,"percentile":0.8661,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4mp7-2m29-gqxf","url":"https://osv.dev/vulnerability/GHSA-4mp7-2m29-gqxf","summary":"HashiCorp Vault Authentication bypass","modified":"2024-09-16T17:21:31Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=0.8.3 <1.2.5"],"fixed":["1.2.5"]},{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.3.0 <1.3.8"],"fixed":["1.3.8"]},{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.4.0 <1.4.4"],"fixed":["1.4.4"]},{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.5.0 <1.5.1"],"fixed":["1.5.1"]}]},{"id":"GO-2024-2488","url":"https://osv.dev/vulnerability/GO-2024-2488","summary":"HashiCorp Vault Authentication bypass in github.com/hashicorp/vault","modified":"2026-03-03T04:54:33.220920Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=0.8.3 <1.2.5",">=1.3.0 <1.3.8",">=1.4.0 <1.4.4",">=1.5.0 <1.5.1"],"fixed":["1.2.5","1.3.8","1.4.4","1.5.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}