{"id":"UBUNTU-CVE-2021-37218","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.","modified":"2025-10-24T04:50:27Z","published":"2021-09-07T12:15:00Z","upstream":["CVE-2021-37218"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-37218"},{"type":"REPORT","url":"https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023"},{"type":"REPORT","url":"https://www.hashicorp.com/blog/category/nomad"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-37218"}],"affected":[{"package":{"name":"nomad","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nomad@0.4.0+dfsg-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.0+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"nomad","binary_version":"0.4.0+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-37218.json"}},{"package":{"name":"nomad","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nomad@0.8.7+dfsg1-1ubuntu1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.7+dfsg1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"nomad","binary_version":"0.8.7+dfsg1-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-37218.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}