{"id":"CVE-2020-13670","aliases":["BIT-drupal-2020-13670","DRUPAL-CORE-2020-011","GHSA-mmjr-5q74-p3m4"],"url":"https://o3.security/vulnerability/CVE-2020-13670","summary":"Exposure of Resource to Wrong Sphere in Drupal Core","details":"Information Disclosure vulnerability in file module of Drupal Core allows an attacker to gain access to the file metadata of a permanent private file that they do not have access to by guessing the ID of the file. 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.","published":"2022-02-11T16:15:08.140Z","modified":"2026-07-08T23:34:27.988466Z","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":{"score":0.01106,"percentile":0.62814,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.8.10"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.9.6"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"9.0.6"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"8.8.10"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"8.9.6"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"9.0.6"}],"fix":null,"references":[{"type":"FIX","url":"https://www.drupal.org/sa-core-2020-011"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:34:27.988466Z"}}