{"id":"CVE-2020-13677","aliases":["BIT-drupal-2020-13677","DRUPAL-CORE-2021-010","GHSA-3xr3-phjp-g6p2"],"url":"https://o3.security/vulnerability/CVE-2020-13677","summary":"Drupal core access bypass vulnerability","details":"Under some circumstances, the Drupal core JSON:API module does not properly restrict access to certain content, which may result in unintended access bypass. Sites that do not have the JSON:API module enabled are not affected.","published":"2022-02-11T16:15:08.487Z","modified":"2026-07-08T23:34:25.148795Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.9.19"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"9.1.13"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"9.2.6"}],"fix":null,"references":[{"type":"FIX","url":"https://www.drupal.org/sa-core-2021-010"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:34:25.148795Z"}}