{"id":"CVE-2020-7955","aliases":["BIT-consul-2020-7955","DEBIAN-CVE-2020-7955","EUVD-2021-1487","GHSA-r9w6-rhh9-7v53","GO-2022-0874","UBUNTU-CVE-2020-7955"],"status":"published","title":"Incorrect Authorization in HashiCorp Consul","description":"HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01412,"percentile":0.72893,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2020-01-31T12:19:40Z","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":"1.4.1"},{"last_affected":"1.6.2"},{"fixed":"1.6.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.4.1"},{"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":"1.4.1"},{"fixed":"1.6.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.4.1"},{"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"]},{"url":"https://github.com/hashicorp/consul/issues/7160","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7955","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-r9w6-rhh9-7v53","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-7955","tags":["advisory"]},{"url":"https://www.hashicorp.com/blog/category/consul","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-7955","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-7955","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-7955","description":"HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.","status":"published","published":"2020-01-31T12:19:40Z","modified":"2024-08-04T09:48:24.496Z","updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2021-1487","description":"HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.","status":"published","published":"2020-01-31T12:19:40Z","modified":"2024-08-04T09:48:24Z","updated_at":"2026-11-03T03:07:58.506831Z"}],"ghsa":[{"id":"GHSA-r9w6-rhh9-7v53","title":"Incorrect Authorization in HashiCorp Consul","description":"HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. 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Fixed in 1.6.3.","status":"published","published":"2020-01-31T13:15:10.813Z","modified":"2026-10-20T10:53:30.889158818Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"DEBIAN-CVE-2020-7955","description":"HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.","status":"published","published":"2020-01-31T13:15:10.813Z","modified":"2026-08-27T13:03:16.15412051Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:34.311861Z"},{"id":"GHSA-r9w6-rhh9-7v53","title":"Incorrect Authorization in HashiCorp Consul","description":"HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. 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Fixed in 1.6.3.","status":"published","published":"2024-03-06T10:53:55.191Z","modified":"2026-09-08T08:45:57.171250648Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"GO-2022-0874","title":"Incorrect Authorization in HashiCorp Consul in github.com/hashicorp/consul","description":"Incorrect Authorization in HashiCorp Consul in github.com/hashicorp/consul","status":"published","published":"2024-08-21T15:29:06Z","modified":"2026-03-03T04:52:21.555582Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}