{"schemaVersion":3,"id":"CVE-2020-13668","aliases":["UBUNTU-CVE-2020-13668"],"status":"published","duplicateOf":null,"title":null,"description":"Access Bypass vulnerability in Drupal Core allows for an attacker to leverage the way that HTML is rendered for affected forms in order to exploit the vulnerability. This issue affects: Drupal Core 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.","dates":{"published":"2022-02-11T15:15:14.000Z","modified":"2024-08-04T12:25:16.423Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":7.2,"impact":4.5,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00787,"percentile":0.55409,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.10600000000000001,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00681},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00787,"percentile":0.55409}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00681,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00787,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00787,"percentile":0.55409}]},"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":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"ubuntu","product":"drupal7","name":"drupal7","label":"drupal7","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/drupal7","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"drupal","product":"core","name":"Core","label":"core","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 8.8.x, < 8.8.10","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.9.x, < 8.9.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.0.x, < 9.0.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 8.8.x, < 8.8.10 | ≥ 8.9.x, < 8.9.6 | ≥ 9.0.x, < 9.0.6","eol":null,"hubHref":"/vendor/drupal/core"},{"vendor":"drupal","product":"drupal","name":"drupal","label":"drupal","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 8.8.0, < 8.8.10","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.9.0, < 8.9.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.0.0, < 9.0.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 8.8.0, < 8.8.10 | ≥ 8.9.0, < 8.9.6 | ≥ 9.0.0, < 9.0.6","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"drupal","label":"Drupal","category":"server-app"}},"hubHref":"/vendor/drupal/drupal"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.drupal.org/sa-core-2020-009","label":"www.drupal.org/sa-core-2020-009","hostname":"www.drupal.org","tags":["X Refsource CONFIRM","REPORT","Patch","Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-13668","label":"ubuntu.com/security/CVE-2020-13668","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-13668","label":"www.cve.org/CVERecord?id=CVE-2020-13668","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-02-11T15:15:14.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T12:25:16.423Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":25,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T03:22:16.997Z","stale":false,"partial":false}}