{"id":"CVE-2020-13665","aliases":["BIT-drupal-2020-13665","DRUPAL-CORE-2020-006","EUVD-2022-5673","GHSA-wxqp-jwc9-g39x"],"status":"published","title":"Drupal Core Access bypass vulnerability","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01275,"percentile":0.70116,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2020-06-17T18:10:58Z","modified":"2026-10-24T10:30:15Z","fixes":[{"ecosystem":"Packagist","package":"drupal/core","fixed_in":["8.8.8","8.9.1","9.0.1"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"drupal/drupal","fixed_in":["8.8.8","8.9.1","9.0.1"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"drupal","fixed_in":["8.8.8","8.9.1","9.0.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.8"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.8"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"drupal","ranges":[{"type":"SEMVER","events":[{"introduced":"8.8.0"},{"fixed":"8.8.8"},{"introduced":"8.9.0"},{"fixed":"8.9.1"},{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.8.8"}]},{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.1"}]},{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}],"versions":["8.0.0","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6","8.1.0","8.1.0-beta1","8.1.0-beta2","8.1.0-rc1","8.1.1","8.1.10","8.1.2","8.1.3","8.1.4","8.1.5","8.1.6","8.1.7","8.1.8","8.1.9","8.2.0","8.2.0-beta1","8.2.0-beta2","8.2.0-beta3","8.2.0-rc1","8.2.0-rc2","8.2.1","8.2.2","8.2.3","8.2.4","8.2.5","8.2.6","8.2.7","8.2.8","8.3.0","8.3.0-alpha1","8.3.0-beta1","8.3.0-rc1","8.3.0-rc2","8.3.1","8.3.2","8.3.3","8.3.4","8.3.5","8.3.6","8.3.7","8.3.8","8.3.9","8.4.0","8.4.0-alpha1","8.4.0-beta1","8.4.0-rc1","8.4.0-rc2","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.4.6","8.4.7","8.4.8","8.5.0","8.5.0-alpha1","8.5.0-beta1","8.5.0-rc1","8.5.1","8.5.10","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.2","8.5.3","8.5.4","8.5.5","8.5.6","8.5.7","8.5.8","8.5.9","8.6.0","8.6.0-alpha1","8.6.0-beta1","8.6.0-beta2","8.6.0-rc1","8.6.1","8.6.10","8.6.11","8.6.12","8.6.13","8.6.14","8.6.15","8.6.16","8.6.17","8.6.18","8.6.2","8.6.3","8.6.4","8.6.5","8.6.6","8.6.7","8.6.8","8.6.9","8.7.0","8.7.0-alpha1","8.7.0-alpha2","8.7.0-beta1","8.7.0-beta2","8.7.0-rc1","8.7.1","8.7.10","8.7.11","8.7.12","8.7.13","8.7.14","8.7.2","8.7.3","8.7.4","8.7.5","8.7.6","8.7.7","8.7.8","8.7.9","8.8.0","8.8.0-alpha1","8.8.0-beta1","8.8.0-rc1","8.8.1","8.8.2","8.8.3","8.8.4","8.8.5","8.8.6","8.8.7","8.9.0","9.0.0"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.8"}]}],"versions":["8.8.0","8.8.1","8.8.2","8.8.3","8.8.4","8.8.5","8.8.6","8.8.7"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.1"}]}],"versions":["8.9.0"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}],"versions":["9.0.0"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.8"}]}],"versions":["8.8.0","8.8.1","8.8.2","8.8.3","8.8.4","8.8.5","8.8.6","8.8.7"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.1"}]}],"versions":["8.9.0"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}],"versions":["9.0.0"]}],"products":[{"vendor":"drupal","product":"drupal"},{"vendor":"drupal","product":"drupal core"}],"references":[{"url":"https://www.drupal.org/sa-core-2020-006","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13665","tags":["web","advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13665.yaml","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13665.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wxqp-jwc9-g39x"},{"url":"https://github.com/drupal/core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-13665","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2021-05-05T14:14:09Z","modified":"2024-08-04T12:25:16.379Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2022-5673","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2021-05-05T14:14:09Z","modified":"2024-08-04T12:25:16Z","updated_at":"2026-11-03T03:07:36.182524Z"}],"ghsa":[{"id":"GHSA-wxqp-jwc9-g39x","title":"Drupal Core Access bypass vulnerability","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2022-05-24T17:49:27Z","modified":"2024-04-23T22:30:44Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:37:44.867253Z"}],"nvd":[{"id":"CVE-2020-13665","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2021-05-05T15:15:08.26Z","modified":"2026-06-17T02:53:32.22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:39.25999Z"}],"osv":[{"id":"CVE-2020-13665","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2021-05-05T15:15:08.26Z","modified":"2026-10-24T10:30:15.461895297Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"GHSA-wxqp-jwc9-g39x","title":"Drupal Core Access bypass vulnerability","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2022-05-24T17:49:27Z","modified":"2024-04-23T22:58:56.494794Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:59.131095Z"},{"id":"BIT-drupal-2020-13665","description":"Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.","status":"published","published":"2024-03-06T10:58:25.802Z","modified":"2026-09-08T08:47:03.346570227Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"DRUPAL-CORE-2020-006","description":"JSON:API PATCH requests may bypass validation for certain fields.\n\nBy default, JSON:API works in a read-only mode which makes it impossible to exploit the vulnerability. Only sites that have the `read_only` set to `FALSE` under `jsonapi.settings` config are vulnerable.","status":"published","published":"2020-06-17T18:10:58Z","modified":"2026-09-19T18:42:43Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}