Drupal core - SA-CORE-2020-011
A vulnerability exists in the File module which 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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | drupal/core | >= 8.0.0, < 8.8.10, >= 8.9.0, < 8.9.6, >= 9.0.0, < 9.0.6 | 8.8.10, 8.9.6, 9.0.6 |
| Composer package | drupal/drupal | >= 8.0.0, < 8.8.10, >= 8.9.0, < 8.9.6, >= 9.0.0, < 9.0.6 | 8.8.10, 8.9.6, 9.0.6 |
| Drupal (core) | drupal/core | >= 8.0.0, < 8.8.10, >= 8.9.0, < 8.9.6, >= 9.0.0, < 9.0.6 | 8.8.10, 8.9.6, 9.0.6 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-13670
- https://github.com/drupal/core/commit/f93a37b713b59f8d24e826bc74378099853eef3d
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13670.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13670.yaml
- https://github.com/drupal/core
- https://www.drupal.org/sa-core-2020-011
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-668- Platform
- Composer, Drupal
- Package
drupal/core, drupal/drupal- Disclosed
- 16.09.2020
- Updated
- 11.10.2026 13:17
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mmjr-5q74-p3m4 - CC BY 4.0
OSV / GitHub Advisory Database - DRUPAL-CORE-2020-011 - CC BY-SA 2.0; code GPL-2.0-or-later
Vulnerability history: drupal/core
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 146
- First → latest
- 02.2018 09.2026
- Without a fix
- 3
- Exploited in attacks
- 5
Severity breakdown
- Critical 15
- High 40
- Medium 60
- Low 5
- Unrated 26
Disclosures per year
- 2018: 4
- 2019: 14
- 2020: 12
- 2021: 11
- 2022: 55
- 2023: 6
- 2024: 23
- 2025: 8
- 2026: 13
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