{"id":"CVE-2021-41802","aliases":["BIT-vault-2021-41802","EUVD-2021-2251","GHSA-qv95-g3gm-x542","GO-2022-0618"],"status":"published","title":"Hashicorp Vault Privilege Escalation Vulnerability","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","severity":{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:H/S:C/UI:R","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00609,"percentile":0.49436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-732"],"published":"2021-10-08T17:00:01Z","modified":"2026-10-24T10:30:55Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/vault","fixed_in":["1.7.5","1.8.4"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"vault","fixed_in":["1.7.5","1.8.4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.5"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.8.0"},{"fixed":"1.8.4"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.7.5"},{"introduced":"1.8.0"},{"fixed":"1.8.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.7.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"1.8.0"},{"fixed":"1.8.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.7.5"},{"introduced":"1.8.0"},{"fixed":"1.8.4"}]}]}],"products":[{"vendor":"hashicorp","product":"vault"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/202207-01","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41802","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-qv95-g3gm-x542","tags":["advisory"]},{"url":"https://discuss.hashicorp.com/t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation","tags":["web"]},{"url":"https://github.com/hashicorp/vault","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-41802","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2021-10-08T17:00:01Z","modified":"2024-08-04T03:22:24.278Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:H/S:C/UI:R","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-2251","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2021-10-08T17:00:01Z","modified":"2024-08-04T03:22:24Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:H/S:C/UI:R","level":"low"}],"updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-qv95-g3gm-x542","title":"Hashicorp Vault Privilege Escalation Vulnerability","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2021-10-12T16:39:01Z","modified":"2023-01-29T05:02:55Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-269","CWE-732"],"updated_at":"2026-11-02T14:36:25.835323Z"}],"nvd":[{"id":"CVE-2021-41802","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2021-10-08T17:15:07.853Z","modified":"2026-06-17T04:08:56.433Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-41802","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2021-10-08T17:15:07.853Z","modified":"2026-10-24T10:30:55.999962693Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-qv95-g3gm-x542","title":"Hashicorp Vault Privilege Escalation Vulnerability","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2021-10-12T16:39:01Z","modified":"2026-09-10T03:49:09.473784231Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-269","CWE-732"],"updated_at":"2026-11-02T15:46:55.122811Z"},{"id":"BIT-vault-2021-41802","description":"HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.","status":"published","published":"2024-03-06T11:10:33.488Z","modified":"2026-09-08T08:48:21.286229888Z","updated_at":"2026-11-02T15:28:36.104787Z"},{"id":"GO-2022-0618","title":"Hashicorp Vault Privilege Escalation Vulnerability in github.com/hashicorp/vault","description":"Hashicorp Vault Privilege Escalation Vulnerability in github.com/hashicorp/vault","status":"published","published":"2024-08-21T15:11:40Z","modified":"2026-02-04T03:05:42.149111Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}