{"id":"CVE-2020-16251","aliases":["ALPINE-CVE-2020-16251","BIT-vault-2020-16251","EUVD-2024-0249","GHSA-4mp7-2m29-gqxf","GO-2024-2488"],"status":"published","title":"HashiCorp Vault Authentication bypass","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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02828,"percentile":0.86804,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2020-08-26T14:19:55Z","modified":"2026-11-03T06:31:41Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/vault","fixed_in":["1.2.5","1.3.8","1.4.4","1.5.1"],"sources":["ghsa","osv"]},{"ecosystem":"Alpine:v3.12","package":"vault","fixed_in":["1.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"vault","fixed_in":["1.5.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"vault","fixed_in":["1.5.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"vault","fixed_in":["1.5.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"vault","fixed_in":["1.5.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"vault","fixed_in":["1.5.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"vault","fixed_in":["1.5.4-r0"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"vault","fixed_in":["1.2.5","1.3.8","1.4.4","1.5.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.2.5"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.3.8"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.0"},{"fixed":"1.4.4"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.0"},{"fixed":"1.5.1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.4.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.5.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.5.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.5.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.5.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.5.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.3"},{"fixed":"1.5.4-r0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0.8.3"},{"fixed":"1.2.5"},{"introduced":"1.3.0"},{"fixed":"1.3.8"},{"introduced":"1.4.0"},{"fixed":"1.4.4"},{"introduced":"1.5.0"},{"fixed":"1.5.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0.8.3"},{"fixed":"1.2.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"1.3.0"},{"fixed":"1.3.8"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"1.4.0"},{"fixed":"1.4.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.0"},{"fixed":"1.5.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0.8.3"},{"fixed":"1.2.5"},{"introduced":"1.3.0"},{"fixed":"1.3.8"},{"introduced":"1.4.0"},{"fixed":"1.4.4"},{"introduced":"1.5.0"},{"fixed":"1.5.1"}]}]}],"products":[{"vendor":"hashicorp","product":"vault"}],"references":[{"url":"https://www.hashicorp.com/blog/category/vault/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory","advisory"]},{"url":"https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"http://packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16251","tags":["web","advisory"]},{"url":"https://www.hashicorp.com/blog/category/vault","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4mp7-2m29-gqxf","tags":["advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-16251","tags":["advisory"]},{"url":"https://github.com/hashicorp/vault","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-16251","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.","status":"published","published":"2020-08-26T14:19:55Z","modified":"2024-08-04T13:37:54.175Z","updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2024-0249","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.","status":"published","published":"2020-08-26T14:19:55Z","modified":"2024-08-04T13:37:54Z","updated_at":"2026-11-03T03:07:28.222143Z"}],"ghsa":[{"id":"GHSA-4mp7-2m29-gqxf","title":"HashiCorp Vault Authentication bypass","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.","status":"published","published":"2024-01-31T00:21:58Z","modified":"2024-09-16T17:21:33Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:38:02.773864Z"}],"nvd":[{"id":"CVE-2020-16251","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.","status":"published","published":"2020-08-26T15:15:12.913Z","modified":"2026-06-17T02:57:56.553Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:13.600965Z"}],"osv":[{"id":"ALPINE-CVE-2020-16251","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.","status":"published","published":"2020-08-26T15:15:12.913Z","modified":"2026-11-03T06:31:41.356939372Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T07:18:15.355745Z"},{"id":"CVE-2020-16251","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.","status":"published","published":"2020-08-26T15:15:12.913Z","modified":"2026-10-20T10:51:59.070595128Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-4mp7-2m29-gqxf","title":"HashiCorp Vault Authentication bypass","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.","status":"published","published":"2024-01-31T00:21:58Z","modified":"2024-09-16T17:21:31Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:37.148947Z"},{"id":"BIT-vault-2020-16251","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.","status":"published","published":"2024-03-06T11:11:33.205Z","modified":"2026-09-08T08:48:21.309264706Z","updated_at":"2026-11-02T15:28:36.104787Z"},{"id":"GO-2024-2488","title":"HashiCorp Vault Authentication bypass in github.com/hashicorp/vault","description":"HashiCorp Vault Authentication bypass in github.com/hashicorp/vault","status":"published","published":"2024-06-28T15:28:53Z","modified":"2026-03-03T04:54:33.22092Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}