CVE-2020-13677
HIGH7.5EPSS 0.20%Drupal core access bypass vulnerability
Published: 9/15/2021Modified: 12/10/2025
Description
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.
Affected packages (3)
- Bitnami/drupal>= 8.0.0, < 8.9.19, >= 9.1.0, < 9.1.13, >= 9.2.0, < 9.2.6
- Packagist/drupal/core>= 8.0.0, < 8.9.19 | >= 9.1.0, < 9.1.13 | >= 9.2.0, < 9.2.6
- Packagist/drupal/core>= 8.0.0, < 8.9.19
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |