{"id":"CVE-2021-37219","aliases":["BIT-consul-2021-37219","GHSA-ccw8-7688-vqx4","GO-2022-0593"],"url":"https://o3.security/vulnerability/CVE-2021-37219","summary":"HashiCorp Consul Privilege Escalation Vulnerability","details":"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.","published":"2021-09-07T12:15:07.727Z","modified":"2026-07-08T22:13:37.769510Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.10.2"},{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.9.9"},{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.8.15"}],"fix":{"url":"https://github.com/hashicorp/consul/pull/10925","label":"hashicorp/consul#10925"},"references":[{"type":"ADVISORY","url":"https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202207-01"},{"type":"ADVISORY","url":"https://www.hashicorp.com/blog/category/consul"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37219"},{"type":"WEB","url":"https://github.com/hashicorp/consul/pull/10925"},{"type":"WEB","url":"https://github.com/hashicorp/consul/commit/3357e57dac9aadabd476f7a14973e47f003c4cf0"},{"type":"WEB","url":"https://github.com/hashicorp/consul/commit/473edd1764b6739e2e4610ea5dede4c2bc6009d1"},{"type":"WEB","url":"https://github.com/hashicorp/consul/commit/ccf8eb1947357434eb6e66303ddab79f4c9d4103"},{"type":"PACKAGE","url":"https://github.com/hashicorp/consul"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:37.769510Z"}}