{"id":"CVE-2020-13667","aliases":["BIT-drupal-2020-13667","DRUPAL-CORE-2020-008","EUVD-2022-5688","GHSA-x2q9-r8gm-f657"],"status":"published","title":"Drupal Core Access bypass vulnerability","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","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":0.00928,"percentile":0.60806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-276"],"published":"2020-09-16T16:32:12Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Packagist","package":"drupal/core","fixed_in":["8.8.10","8.9.6","9.0.6"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"drupal/drupal","fixed_in":["8.8.10","8.9.6","9.0.6"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"drupal","fixed_in":["8.8.10","8.9.6","9.0.6"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.10"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.6"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.6"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.10"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.6"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.6"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"drupal","ranges":[{"type":"SEMVER","events":[{"introduced":"8.8.0"},{"fixed":"8.8.10"},{"introduced":"8.9.0"},{"fixed":"8.9.6"},{"introduced":"9.0.0"},{"fixed":"9.0.6"}]}]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.8.10"}]},{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.6"}]},{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.6"}]}],"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","8.8.8","8.8.9","8.9.0","8.9.1","8.9.2","8.9.3","8.9.4","8.9.5","9.0.0","9.0.1","9.0.2","9.0.3","9.0.4","9.0.5"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.10"}]}],"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","8.8.8","8.8.9"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.6"}]}],"versions":["8.9.0","8.9.1","8.9.2","8.9.3","8.9.4","8.9.5"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.6"}]}],"versions":["9.0.0","9.0.1","9.0.2","9.0.3","9.0.4","9.0.5"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"8.8.10"}]}],"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","8.8.8","8.8.9"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.0"},{"fixed":"8.9.6"}]}],"versions":["8.9.0","8.9.1","8.9.2","8.9.3","8.9.4","8.9.5"]},{"source":"osv","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.6"}]}],"versions":["9.0.0","9.0.1","9.0.2","9.0.3","9.0.4","9.0.5"]}],"products":[{"vendor":"drupal","product":"drupal"},{"vendor":"drupal","product":"drupal core"}],"references":[{"url":"https://www.drupal.org/sa-core-2020-008","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13667","tags":["web","advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13667.yaml","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13667.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-x2q9-r8gm-f657"},{"url":"https://github.com/drupal/core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-13667","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2021-05-17T16:52:34Z","modified":"2024-08-04T12:25:16.398Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2022-5688","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2021-05-17T16:52:34Z","modified":"2024-08-04T12:25:16Z","updated_at":"2026-11-03T03:07:36.182524Z"}],"ghsa":[{"id":"GHSA-x2q9-r8gm-f657","title":"Drupal Core Access bypass vulnerability ","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2022-05-24T19:02:37Z","modified":"2024-04-23T22:30:49Z","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"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:37:44.867253Z"}],"nvd":[{"id":"CVE-2020-13667","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2021-05-17T17:15:07.893Z","modified":"2026-06-17T02:53:32.443Z","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","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:06:39.25999Z"}],"osv":[{"id":"CVE-2020-13667","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2021-05-17T17:15:07.893Z","modified":"2026-10-24T10:30:42.889025772Z","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":"2026-11-02T15:44:14.418339Z"},{"id":"GHSA-x2q9-r8gm-f657","title":"Drupal Core Access bypass vulnerability ","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2022-05-24T19:02:37Z","modified":"2025-12-10T23:41:07.067103Z","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"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:46:59.484835Z"},{"id":"BIT-drupal-2020-13667","description":"Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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.","status":"published","published":"2024-03-06T10:58:01.865Z","modified":"2026-09-08T08:47:04.389513236Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"DRUPAL-CORE-2020-008","description":"The experimental Workspaces module allows you to create multiple workspaces on your site in which draft content can be edited before being published to the live workspace.\n\nThe Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content.\n\nThis vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module.","status":"published","published":"2020-09-16T16:32:12Z","modified":"2026-09-19T17:36:38Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}