{"id":"GHSA-8h2g-r292-j8xh","summary":"HashiCorp Consul L7 deny intention results in an allow action","details":"In HashiCorp Consul before 1.10.1 (and Consul Enterprise), xds can generate a situation where a single L7 deny intention (with a default deny policy) results in an allow action.","aliases":["BIT-consul-2021-36213","CVE-2021-36213","GO-2022-0895"],"modified":"2026-09-10T03:49:06.398225282Z","published":"2021-07-19T21:21:12Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2021-07-19T17:33:14Z","nvd_published_at":"2021-07-17T18:15:00Z","cwe_ids":[],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36213"},{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855"},{"type":"WEB","url":"https://github.com/hashicorp/consul"},{"type":"WEB","url":"https://github.com/hashicorp/consul/releases/tag/v1.10.1"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202208-09"},{"type":"WEB","url":"https://www.hashicorp.com/blog/category/consul"}],"affected":[{"package":{"name":"github.com/hashicorp/consul","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/consul"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.10.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/07/GHSA-8h2g-r292-j8xh/GHSA-8h2g-r292-j8xh.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}