Vulnerability · Published May 5, 2021 · Assigned by drupal
CVE-2020-13664
High 8.8
In plain English
A high-severity security flaw in Drupal Core from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official 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 & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | drupal/core | 8.8.8, 8.9.1, 9.0.1 | DRUPAL-CORE-2020-005 |
| Packagist | drupal/core | 8.8.8 | GHSA-x72f-ggjw-v5xh |
| Packagist | drupal/core | 8.9.1 | GHSA-x72f-ggjw-v5xh |
| Packagist | drupal/core | 9.0.1 | GHSA-x72f-ggjw-v5xh |
| Packagist | drupal/drupal | 8.8.8 | GHSA-x72f-ggjw-v5xh |
| Packagist | drupal/drupal | 8.9.1 | GHSA-x72f-ggjw-v5xh |
| Packagist | drupal/drupal | 9.0.1 | GHSA-x72f-ggjw-v5xh |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Drupal Core | 8.8.x – before 8.8.88.9.x – before 8.9.19.0.1 – before 9.0.1 |
References
- https://www.drupal.org/sa-core-2020-005 x_refsource_CONFIRM