{"id":"CVE-2020-7219","aliases":["BIT-consul-2020-7219","DEBIAN-CVE-2020-7219","EUVD-2021-0892","GHSA-23jv-v6qj-3fhh","GO-2022-0776","UBUNTU-CVE-2020-7219"],"status":"published","title":"Denial of Service (DoS) in HashiCorp Consul","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02035,"percentile":0.81229,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2020-01-31T12:39:17Z","modified":"2026-10-20T10:53:30Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/consul","fixed_in":["1.6.3"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"consul","fixed_in":["1.6.2"],"sources":["osv"]},{"ecosystem":"Debian:11","package":"consul","fixed_in":["1.7.0+dfsg1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.6.2"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.6.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.6.3"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4~dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.7~dfsg1-5ubuntu1","1.4.4~dfsg1-2ubuntu2","1.5.2+dfsg1-6","1.5.2+dfsg1-10","1.5.2+dfsg1-12","1.5.2+dfsg2-14"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.4+dfsg1-1","1.8.7+dfsg1-3"]}],"products":[{"vendor":"hashicorp","product":"consul"}],"references":[{"url":"https://www.hashicorp.com/blog/category/consul/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://github.com/hashicorp/consul/issues/7159","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7219","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-23jv-v6qj-3fhh","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-7219","tags":["advisory"]},{"url":"https://www.hashicorp.com/blog/category/consul","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-7219","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-7219","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-7219","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2020-01-31T12:39:17Z","modified":"2024-08-04T09:25:48.324Z","updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2021-0892","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2020-01-31T12:39:17Z","modified":"2024-08-04T09:25:48Z","updated_at":"2026-11-03T03:08:00.054795Z"}],"ghsa":[{"id":"GHSA-23jv-v6qj-3fhh","title":"Denial of Service (DoS) in HashiCorp Consul","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.\n\n### Specific Go Packages Affected\ngithub.com/hashicorp/consul/agent/consul","status":"published","published":"2021-05-18T18:19:21Z","modified":"2023-10-08T05:04:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:37:08.847568Z"}],"nvd":[{"id":"CVE-2020-7219","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2020-01-31T13:15:10.627Z","modified":"2026-06-17T03:24:32.117Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:05:53.837808Z"}],"osv":[{"id":"CVE-2020-7219","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2020-01-31T13:15:10.627Z","modified":"2026-10-20T10:53:30.198739427Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"DEBIAN-CVE-2020-7219","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2020-01-31T13:15:10.627Z","modified":"2026-08-27T13:00:33.596725218Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.311861Z"},{"id":"GHSA-23jv-v6qj-3fhh","title":"Denial of Service (DoS) in HashiCorp Consul","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.\n\n### Specific Go Packages Affected\ngithub.com/hashicorp/consul/agent/consul","status":"published","published":"2021-05-18T18:19:21Z","modified":"2026-09-10T03:49:26.885066499Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:46:33.520522Z"},{"id":"UBUNTU-CVE-2020-7219","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2020-01-31T13:15:00Z","modified":"2025-10-24T04:48:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"BIT-consul-2020-7219","description":"HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.","status":"published","published":"2024-03-06T10:54:04.97Z","modified":"2026-09-08T08:45:57.071532961Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"GO-2022-0776","title":"Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul","description":"Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul","status":"published","published":"2024-08-21T15:28:59Z","modified":"2026-02-04T03:16:16.585796Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}