{"schemaVersion":3,"id":"CVE-2020-25201","aliases":["UBUNTU-CVE-2020-25201","DEBIAN-CVE-2020-25201","GHSA-496g-fr33-whrf","BIT-consul-2020-25201","GO-2024-2501"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2020-11-04T22:32:10.000Z","modified":"2024-08-04T15:33:05.268Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0261,"percentile":0.85199,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.0261},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0261,"percentile":0.85199}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0261,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0261,"percentile":0.85199}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"debian","product":"consul","name":"consul","label":"consul","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/consul","purlType":"deb","versions":[{"text":"< 1.8.6+dfsg1-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.8.6+dfsg1-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"consul","name":"consul","label":"consul","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/consul","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"github.com/hashicorp","product":"consul","name":"github.com/hashicorp/consul","label":"consul","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/hashicorp/consul","purlType":"golang","versions":[{"text":"≥ 1.7.0, < 1.7.9","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.8.0, < 1.8.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.7.0, < 1.7.9 | ≥ 1.8.0, < 1.8.5","eol":null,"hubHref":null},{"vendor":"hashicorp","product":"consul","name":"consul","label":"consul","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.7.0, ≤ 1.8.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.7.0, ≤ 1.8.4","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"consul","label":"Hashicorp Consul","category":"server-app"}},"hubHref":"/vendor/hashicorp/consul"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.hashicorp.com/blog/category/consul","label":"www.hashicorp.com/blog/category/consul","hostname":"www.hashicorp.com","tags":["X Refsource MISC","REPORT","WEB","Vendor Advisory"]},{"url":"https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#185-october-23-2020","label":"github.com/hashicorp/consul/blob/master/CHANGELOG.md","hostname":"github.com","tags":["X Refsource CONFIRM","REPORT","WEB","Vendor Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-09","label":"security.gentoo.org/glsa/202208-09","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO","WEB","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-25201","label":"ubuntu.com/security/CVE-2020-25201","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25201","label":"www.cve.org/CVERecord?id=CVE-2020-25201","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-25201","label":"security-tracker.debian.org/tracker/CVE-2020-25201","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25201","label":"nvd.nist.gov/vuln/detail/CVE-2020-25201","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/hashicorp/consul/pull/9024","label":"github.com/hashicorp/consul/pull/9024","hostname":"github.com","tags":["WEB","FIX"]},{"url":"https://github.com/hashicorp/consul/releases/tag/v1.8.5","label":"github.com/hashicorp/consul/releases/tag/v1.8.5","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/advisories/GHSA-496g-fr33-whrf","label":"github.com/advisories/GHSA-496g-fr33-whrf","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-11-04T22:32:10.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T15:33:05.268Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T06:48:26.313Z","stale":false,"partial":false}}