{"id":"CVE-2025-6011","aliases":["BIT-vault-2025-6011","EUVD-2025-23395","GHSA-mwgr-84fv-3jh9","GO-2025-3839","SUSE-SU-2025:02912-1","openSUSE-SU-2025:15434-1","openSUSE-SU-2025:15460-1"],"status":"published","title":"Timing Side-Channel in Vault’s Userpass Auth Method","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00383,"percentile":0.32814,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203"],"published":"2025-08-01T18:00:24Z","modified":"2026-10-28T02:30:37Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/vault","fixed_in":["1.20.1"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"vault","fixed_in":["1.20.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.20.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.20.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.20.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP6","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250814T182633-150000.1.98.1"}]}],"bundled":31},{"source":"osv","ecosystem":"openSUSE:Leap 15.6","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250814T182633-150000.1.98.1"}]}],"bundled":31},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250811T192933-1.1"}]}],"bundled":29},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"openbao","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.2-1.1"}]}],"bundled":11}],"products":[{"vendor":"hashicorp","product":"vault"},{"vendor":"hashicorp","product":"vault enterprise"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2025-15-timing-side-channel-in-vault-s-userpass-auth-method/76034","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6011","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-mwgr-84fv-3jh9","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6011.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/vault","tags":["package"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-202502912-1/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21411","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-44906","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-44779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-47907","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-50738","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53942","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54386","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54388","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54410","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54424","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54576","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54799","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54801","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54997","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54998","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54999","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-55000","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-55001","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-55003","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-5999","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6000","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6004","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6011","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6014","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6015","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6037","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-7195","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-8341","tags":["web"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6010","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-6011","title":"Timing Side-Channel in Vault’s Userpass Auth Method","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-01T18:00:24.528Z","modified":"2025-08-01T19:06:58.251Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:32:40.072186Z"}],"euvd":[{"id":"EUVD-2025-23395","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-01T18:00:24Z","modified":"2025-08-01T19:06:58Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T20:32:02.018241Z"}],"ghsa":[{"id":"GHSA-mwgr-84fv-3jh9","title":"Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-01T18:31:19Z","modified":"2025-08-01T21:08:44Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:38:52.85141Z"}],"nvd":[{"id":"CVE-2025-6011","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-01T18:15:56.713Z","modified":"2026-06-17T10:00:59.13Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:11:21.71471Z"}],"osv":[{"id":"CVE-2025-6011","title":"Timing Side-Channel in Vault’s Userpass Auth Method","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-01T18:00:24.528Z","modified":"2026-10-28T02:30:37.595411668Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T15:44:51.516975Z"},{"id":"GHSA-mwgr-84fv-3jh9","title":"Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-01T18:31:19Z","modified":"2026-09-10T03:50:27.19518683Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T15:46:52.534897Z"},{"id":"BIT-vault-2025-6011","title":"Timing Side-Channel in Vault’s Userpass Auth Method","description":"A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","status":"published","published":"2025-08-05T08:52:59.512Z","modified":"2026-09-08T08:48:21.37980913Z","updated_at":"2026-11-02T15:28:36.104787Z"},{"id":"GO-2025-3839","title":"Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users in github.com/hashicorp/vault","description":"Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users in github.com/hashicorp/vault","status":"published","published":"2025-08-11T17:24:51Z","modified":"2026-02-04T03:13:41.955462Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:15434-1","title":"govulncheck-vulndb-0.0.20250811T192933-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250811T192933-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-08-12T00:00:00Z","modified":"2026-03-23T04:53:46.634804Z","updated_at":"2026-11-02T16:58:37.810934Z"},{"id":"openSUSE-SU-2025:15460-1","title":"openbao-2.3.2-1.1 on GA media","description":"These are all security issues fixed in the openbao-2.3.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-08-18T00:00:00Z","modified":"2026-03-23T04:53:48.272217Z","updated_at":"2026-11-02T16:58:37.810934Z"},{"id":"SUSE-SU-2025:02912-1","title":"Security update for govulncheck-vulndb","description":"This update for govulncheck-vulndb fixes the following issues:\n\n- Update to version 0.0.20250814T182633 2025-08-14T18:26:33Z (jsc#PED-11136)\n\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3765 CVE-2024-44906 GHSA-h4h6-vccr-44h2\n  * GO-2025-3829 CVE-2025-54410 GHSA-4vq8-7jfc-9cvp\n\n- Update to version 0.0.20250811T192933 2025-08-11T19:29:33Z (jsc#PED-11136)\n  \n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3822 CVE-2025-53942 GHSA-9g4j-v8w5-7x42\n  * GO-2025-3829 CVE-2025-54410 GHSA-4vq8-7jfc-9cvp\n  * GO-2025-3830 CVE-2025-54388 GHSA-x4rx-4gw3-53p4\n  * GO-2025-3831 CVE-2025-50738 GHSA-hfcf-79gh-f3jc\n  * GO-2025-3832 CVE-2021-21411 GHSA-652x-m2gr-hppm\n  * GO-2025-3833 CVE-2025-54576 GHSA-7rh7-c77v-6434\n  * GO-2025-3834 CVE-2025-54424 GHSA-8j63-96wh-wh3j\n  * GO-2025-3835 CVE-2025-54386 GHSA-q6gg-9f92-r9wg\n  * GO-2025-3836 CVE-2025-6037 GHSA-6c5r-4wfc-3mcx\n  * GO-2025-3837 CVE-2025-5999 GHSA-6h4p-m86h-hhgh\n  * GO-2025-3838 CVE-2025-6000 GHSA-mr4h-qf9j-f665\n  * GO-2025-3839 CVE-2025-6011 GHSA-mwgr-84fv-3jh9\n  * GO-2025-3840 CVE-2025-6004 GHSA-qgj7-fmq2-6cc4\n  * GO-2025-3841 CVE-2025-6014 GHSA-qv3p-fmv3-9hww\n  * GO-2025-3842 CVE-2025-6015 GHSA-v6r4-35f9-9rpw\n  * GO-2025-3843 CVE-2025-8341 GHSA-3c93-92r7-j934\n  * GO-2025-3844 CVE-2025-53534 GHSA-fm3m-jrgm-5ppg\n  * GO-2025-3845 CVE-2025-54801 GHSA-qx2q-88mx-vhg7\n  * GO-2025-3847 CVE-2025-54799 GHSA-q82r-2j7m-9rv4\n  * GO-2025-3848 CVE-2025-6013 GHSA-7rx2-769v-hrwf\n  * GO-2025-3851 CVE-2025-44779 GHSA-93jv-pvg8-hf3v\n  * GO-2025-3852 CVE-2025-7195 GHSA-856v-8qm2-9wjv\n  * GO-2025-3853 CVE-2025-55000 GHSA-f7c3-mhj2-9pvg\n  * GO-2025-3854 CVE-2025-54999 GHSA-hh28-h22f-8357\n  * GO-2025-3855 CVE-2025-54998 GHSA-j3xv-7fxp-gfhx\n  * GO-2025-3856 CVE-2025-55003 GHSA-rxp7-9q75-vj3p\n  * GO-2025-3857 CVE-2025-54996 GHSA-vf84-mxrq-crqc\n  * GO-2025-3858 CVE-2025-54997 GHSA-xp75-r577-cvhp\n  * GO-2025-3859 CVE-2025-55001 GHSA-2q8q-8fgw-9p6p\n\n- Update to version 0.0.20250807T150727 2025-08-07T15:07:27Z (jsc#PED-11136)\n\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3849 CVE-2025-47907\n","status":"published","published":"2025-08-19T12:52:27Z","modified":"2026-03-23T04:49:48.54789Z","updated_at":"2026-11-02T15:53:57.111474Z"}]}}