{"id":"CVE-2020-25201","aliases":["BIT-consul-2020-25201","DEBIAN-CVE-2020-25201","EUVD-2024-0243","GHSA-496g-fr33-whrf","GO-2024-2501","UBUNTU-CVE-2020-25201"],"status":"published","title":"Denial of service in HashiCorp Consul","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","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":0.0261,"percentile":0.85522,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-834"],"published":"2020-11-04T22:32:10Z","modified":"2026-10-20T10:52:52Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/consul","fixed_in":["1.7.9","1.8.5"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:11","package":"consul","fixed_in":["1.8.6+dfsg1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.7.0"},{"fixed":"1.7.9"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.8.0"},{"fixed":"1.8.5"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.7.0"},{"last_affected":"1.8.4"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.7.0"},{"fixed":"1.7.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.8.0"},{"fixed":"1.8.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.7.0"},{"fixed":"1.7.9"},{"introduced":"1.8.0"},{"fixed":"1.8.5"}]}]},{"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","web","advisory","report"]},{"url":"https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#185-october-23-2020","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory","report"]},{"url":"https://security.gentoo.org/glsa/202208-09","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25201","tags":["advisory"]},{"url":"https://github.com/hashicorp/consul/pull/9024","tags":["web","fix"]},{"url":"https://github.com/hashicorp/consul/releases/tag/v1.8.5","tags":["web"]},{"url":"https://github.com/advisories/GHSA-496g-fr33-whrf","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-25201","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-25201","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25201","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-25201","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2020-11-04T22:32:10Z","modified":"2024-08-04T15:33:05.268Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2024-0243","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2020-11-04T22:32:10Z","modified":"2024-08-04T15:33:05Z","updated_at":"2026-11-03T03:07:17.317062Z"}],"ghsa":[{"id":"GHSA-496g-fr33-whrf","title":"Denial of service in HashiCorp Consul","description":"HashiCorp Consul Enterprise versions 1.7.0 up to 1.7.8 and 1.8.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2024-01-31T23:11:24Z","modified":"2024-01-31T23:11:25Z","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-834"],"updated_at":"2026-11-02T14:37:34.405364Z"}],"nvd":[{"id":"CVE-2020-25201","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2020-11-04T23:15:11.923Z","modified":"2026-06-17T03:06:34.41Z","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"}],"updated_at":"2026-11-02T14:06:21.80969Z"}],"osv":[{"id":"CVE-2020-25201","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2020-11-04T23:15:11.923Z","modified":"2026-10-20T10:52:52.477879293Z","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":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-25201","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2020-11-04T23:15:11.923Z","modified":"2026-08-27T13:02:44.239656495Z","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":"2026-11-02T15:45:33.729655Z"},{"id":"GHSA-496g-fr33-whrf","title":"Denial of service in HashiCorp Consul","description":"HashiCorp Consul Enterprise versions 1.7.0 up to 1.7.8 and 1.8.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2024-01-31T23:11:24Z","modified":"2024-06-28T15:58:43.348611Z","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-834"],"updated_at":"2026-11-02T15:46:36.782754Z"},{"id":"UBUNTU-CVE-2020-25201","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2020-11-04T23:15:00Z","modified":"2025-10-24T04:48:42Z","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":"2026-11-02T15:54:23.905183Z"},{"id":"BIT-consul-2020-25201","description":"HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.","status":"published","published":"2024-03-06T10:54:33.987Z","modified":"2025-01-17T15:26:01.971Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"GO-2024-2501","title":"Denial of service in HashiCorp Consul in github.com/hashicorp/consul","description":"Denial of service in HashiCorp Consul in github.com/hashicorp/consul","status":"published","published":"2024-06-28T15:28:53Z","modified":"2026-03-03T04:54:35.679386Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}