CVE-2020-13670: Drupal

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• Drupal Drupal: from 8.8.0, before 8.8.10 (fixed in 8.8.10); from 8.9.0, before 8.9.6 (fixed in 8.9.6); from 9.0.0, before 9.0.6 (fixed in 9.0.6)

Published 2022-02-11. Last modified 2026-06-17.