{"id":"CVE-2021-37218","aliases":["GHSA-c8x3-rg72-fwwg","GO-2022-0591"],"url":"https://o3.security/vulnerability/CVE-2021-37218","summary":"Privilege escalation in Hashicorp Nomad","details":"HashiCorp Nomad and Nomad Enterprise 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 1.0.10 and 1.1.4.","published":"2021-09-07T12:15:07.680Z","modified":"2026-07-08T22:13:37.091520Z","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":{"score":0.00689,"percentile":0.49715,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/nomad","fixedVersion":"1.0.10"},{"ecosystem":"Go","name":"github.com/hashicorp/nomad","fixedVersion":"1.1.4"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023"},{"type":"ADVISORY","url":"https://www.hashicorp.com/blog/category/nomad"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:37.091520Z"}}