{"id":"CVE-2021-41805","aliases":["BIT-consul-2021-41805","EUVD-2021-28810","GHSA-crxx-35wq-w63c","UBUNTU-CVE-2021-41805"],"status":"published","title":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has...","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.3479,"percentile":0.98441,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-863"],"published":"2021-12-12T04:51:21Z","modified":"2026-10-24T10:30:31Z","exploits":[{"source":"pocgithub","id":"acfirthh/CVE-2021-41805","title":"acfirthh/CVE-2021-41805","date":"2025-01-07","url":"https://github.com/acfirthh/CVE-2021-41805"},{"source":"pocgithub","id":"blackm4c/CVE-2021-41805","title":"blackm4c/CVE-2021-41805","date":"2022-12-07","url":"https://github.com/blackm4c/CVE-2021-41805"}],"fixes":[{"ecosystem":"Bitnami","package":"consul","fixed_in":["1.8.17","1.9.11","1.10.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.7.0"},{"fixed":"1.8.17"},{"introduced":"1.9.0"},{"fixed":"1.9.11"},{"introduced":"1.10.0"},{"fixed":"1.10.4"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4~dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.7~dfsg1-5ubuntu1","1.4.4~dfsg1-2ubuntu2","1.5.2+dfsg1-6","1.5.2+dfsg1-10","1.5.2+dfsg1-12","1.5.2+dfsg2-14"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.4+dfsg1-1","1.8.7+dfsg1-3"]}],"products":[{"vendor":"hashicorp","product":"consul"}],"references":[{"url":"https://www.hashicorp.com/blog/category/consul","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory","advisory","report"]},{"url":"https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://security.netapp.com/advisory/ntap-20211229-0007/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41805","tags":["web"]},{"url":"https://github.com/advisories/GHSA-crxx-35wq-w63c"},{"url":"https://ubuntu.com/security/CVE-2021-41805","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-41805","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-41805","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2021-12-12T04:51:21Z","modified":"2024-08-04T03:22:24.066Z","updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2021-28810","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2021-12-12T04:51:21Z","modified":"2024-08-04T03:22:24Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-crxx-35wq-w63c","title":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has...","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2021-12-13T00:00:35Z","modified":"2023-02-01T05:07:01Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:50:27.906349Z"}],"nvd":[{"id":"CVE-2021-41805","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2021-12-12T05:15:07.917Z","modified":"2026-06-17T04:08:56.727Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:07:02.189991Z"}],"osv":[{"id":"CVE-2021-41805","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2021-12-12T05:15:07.917Z","modified":"2026-10-24T10:30:31.914396481Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"UBUNTU-CVE-2021-41805","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2021-12-12T05:15:00Z","modified":"2025-10-24T04:50:35Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:29.220315Z"},{"id":"BIT-consul-2021-41805","description":"HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.","status":"published","published":"2024-03-06T10:52:33.477Z","modified":"2026-09-08T08:45:57.11256773Z","updated_at":"2026-11-02T15:28:28.70813Z"}]}}