{"id":"UBUNTU-CVE-2021-32575","details":"HashiCorp Nomad and Nomad Enterprise up to version 1.0.4 bridge networking mode allows ARP spoofing from other bridged tasks on the same node. Fixed in 0.12.12, 1.0.5, and 1.1.0 RC1.","modified":"2025-10-24T04:50:20Z","published":"2021-06-17T19:15:00Z","upstream":["CVE-2021-32575"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32575"},{"type":"REPORT","url":"https://www.hashicorp.com/blog/category/nomad"},{"type":"REPORT","url":"https://discuss.hashicorp.com/t/hcsec-2021-14-nomad-bridge-networking-mode-allows-arp-spoofing-from-other-bridged-tasks-on-same-node/24296"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-32575"}],"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-2021-32575.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-2021-32575.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}