{"id":"CVE-2021-37219","aliases":["BIT-consul-2021-37219","DEBIAN-CVE-2021-37219","EUVD-2021-2037","GHSA-ccw8-7688-vqx4","GO-2022-0593","UBUNTU-CVE-2021-37219"],"status":"published","title":"HashiCorp Consul Privilege Escalation Vulnerability","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","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":"2026-11-11","score":0.01149,"percentile":0.67275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2021-09-07T11:33:26Z","modified":"2026-10-24T10:30:17Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/consul","fixed_in":["1.10.2","1.9.9","1.8.15"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"consul","fixed_in":["1.8.15","1.9.9","1.10.2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10.1"},{"last_affected":"1.10.1"},{"fixed":"1.10.2"}]}],"versions":["1.10.1"]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.9"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.15"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.15"},{"introduced":"1.9.0"},{"fixed":"1.9.9"},{"introduced":"1.10.0"},{"fixed":"1.10.2"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.12+dfsg1-1","1.8.7+dfsg1-2","1.8.7+dfsg1-3","1.8.7+dfsg1-4","1.8.7+dfsg1-5","1.8.7+dfsg1-6","1.9.17+dfsg2-1"]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.10.1"},{"fixed":"1.10.2"}]}],"versions":["1.10.1"]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.9.0"},{"fixed":"1.9.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.15"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.15"},{"introduced":"1.9.0"},{"fixed":"1.9.9"},{"introduced":"1.10.1"},{"fixed":"1.10.2"}]}]},{"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","web","report"]},{"url":"https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web","report"]},{"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-2021-37219","tags":["web","advisory"]},{"url":"https://github.com/hashicorp/consul/pull/10925","tags":["web","fix"]},{"url":"https://github.com/hashicorp/consul/commit/3357e57dac9aadabd476f7a14973e47f003c4cf0","tags":["web","fix"]},{"url":"https://github.com/hashicorp/consul/commit/473edd1764b6739e2e4610ea5dede4c2bc6009d1","tags":["web","fix"]},{"url":"https://github.com/hashicorp/consul/commit/ccf8eb1947357434eb6e66303ddab79f4c9d4103","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-ccw8-7688-vqx4","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-37219","tags":["advisory"]},{"url":"https://github.com/hashicorp/consul","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2021-37219","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-37219","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-37219","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-07T11:33:26Z","modified":"2024-08-04T01:16:03.813Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-2037","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-07T11:33:26Z","modified":"2024-08-04T01:16:03Z","updated_at":"2026-11-03T03:24:28.314716Z"}],"ghsa":[{"id":"GHSA-ccw8-7688-vqx4","title":"HashiCorp Consul Privilege Escalation Vulnerability","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-08T20:14:48Z","modified":"2023-04-03T22:07:00Z","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-295"],"updated_at":"2026-11-02T14:36:49.768564Z"}],"nvd":[{"id":"CVE-2021-37219","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-07T12:15:07.727Z","modified":"2026-06-17T04:00:17.957Z","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-295"],"updated_at":"2026-11-02T14:06:58.05696Z"}],"osv":[{"id":"CVE-2021-37219","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-07T12:15:07.727Z","modified":"2026-10-24T10:30:17.711642244Z","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":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-37219","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-07T12:15:07.727Z","modified":"2026-08-27T23:04:05.234599714Z","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":"2026-11-02T15:45:35.233346Z"},{"id":"GHSA-ccw8-7688-vqx4","title":"HashiCorp Consul Privilege Escalation Vulnerability","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-08T20:14:48Z","modified":"2026-09-10T03:49:08.760839466Z","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-295"],"updated_at":"2026-11-02T15:46:44.927642Z"},{"id":"UBUNTU-CVE-2021-37219","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2021-09-07T12:15:00Z","modified":"2025-10-24T04:50:27Z","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":"2026-11-02T15:54:27.870979Z"},{"id":"BIT-consul-2021-37219","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.","status":"published","published":"2024-03-06T10:53:02.967Z","modified":"2026-09-08T08:45:58.186221577Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"GO-2022-0593","title":"HashiCorp Consul Privilege Escalation Vulnerability in github.com/hashicorp/consul","description":"HashiCorp Consul Privilege Escalation Vulnerability in github.com/hashicorp/consul","status":"published","published":"2024-08-21T15:11:38Z","modified":"2026-02-04T03:38:36.473324Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}