CVE-2020-13664
HIGH8.8EPSS 2.0%Drupal Core Arbitrary PHP code execution vulnerability
Published: 6/17/2020Modified: 12/10/2025
Description
Arbitrary PHP code execution vulnerability in Drupal Core under certain circumstances. An attacker could trick an administrator into visiting a malicious site that could result in creating a carefully named directory on the file system. With this directory in place, an attacker could attempt to brute force a remote code execution vulnerability. Windows servers are most likely to be affected. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.1 versions prior to 9.0.1.
Affected packages (4)
- Bitnami/drupal>= 8.8.0, < 8.8.8, >= 8.9.0, < 8.9.1, >= 9.0.0, < 9.0.1
- Packagist/drupal/core>= 8.0.0, < 8.8.8 | >= 8.9.0, < 8.9.1 | >= 9.0.0, < 9.0.1
- Packagist/drupal/core>= 8.8.0, < 8.8.8
- Packagist/drupal/drupal>= 8.8.0, < 8.8.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-13664
- PATCHhttps://github.com/drupal/core
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13664.yaml
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13664.yaml
- WEBhttps://www.drupal.org/sa-core-2020-005