{"id":"CVE-2020-7956","aliases":["GHSA-cj2h-ww36-v932","GO-2022-0821"],"url":"https://o3.security/vulnerability/CVE-2020-7956","summary":"Improper Certificate Validation in HashiCorp Nomad","details":"HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region associated with TLS certificates used for mTLS RPC, and were susceptible to privilege escalation. Fixed in 0.10.3.","published":"2020-01-31T13:15:10.877Z","modified":"2026-07-08T17:57:02.273441Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/nomad","fixedVersion":"0.10.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/hashicorp/nomad/issues/7003"},{"type":"ADVISORY","url":"https://www.hashicorp.com/blog/category/nomad/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:57:02.273441Z"}}