DRUPAL-CORE-2020-011 BIT-drupal-2020-13670 CVE-2020-13670 GHSA-mmjr-5q74-p3m4
Exposure of Resource to Wrong Sphere in Drupal Core
- Severity
- 7.5 / 10
- High · CVSS 3.1
- Exploit chance (EPSS)
- 1.11%
- Chance of exploitation in the next 30 days. Higher than 65.82% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-668 Exposure of Resource to Wrong Sphere
- Fix
- Available
- 2 packages have a fixed version
Description
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 versions
Packagist
| Package | Vulnerable | Fixed in |
|---|---|---|
| drupal/core | >= 8.0.0, < 8.8.10>= 8.9.0, < 8.9.6>= 9.0.0, < 9.0.6 |
8.8.108.9.69.0.6 |
| drupal/core | >= 8.0.0, < 8.8.10 |
8.8.10 |
| drupal/core | >= 8.9.0, < 8.9.6 |
8.9.6 |
| drupal/core | >= 9.0.0, < 9.0.6 |
9.0.6 |
| drupal/drupal | >= 8.0.0, < 8.8.10 |
8.8.10 |
| drupal/drupal | >= 8.9.0, < 8.9.6 |
8.9.6 |
| drupal/drupal | >= 9.0.0, < 9.0.6 |
9.0.6 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
drupal/core Packagist → 9.0.6
- composer
composer require drupal/core:^9.0.6
drupal/drupal Packagist → 8.8.10
- composer
composer require drupal/drupal:^8.8.10
Severity breakdown
CVSS 3.1 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Weakness
CWE-668: Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
References
Advisories
Packages
Other links
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| DRUPAL-CORE-2026-004 Drupal Core has a SQL Injection issue | Critical Known exploited | Also affects drupal/core |
| CVE-2020-28949 Multiple vulnerabilities through filename manipulation in Archive_Tar | High Known exploited | Also affects drupal/core |
| CVE-2020-13671 Drupal core Unrestricted Upload of File with Dangerous Type | High Known exploited | Also affects drupal/core |
| CVE-2019-6340 Drupal Core Remote Code Execution Vulnerability | High Known exploited | Also affects drupal/core |
| CVE-2018-7602 Drupal Core Remote Code Execution Vulnerability | Critical Known exploited | Also affects drupal/core |
| CVE-2018-7600 Drupal Core Remote Code Execution Vulnerability | Critical Known exploited | Also affects drupal/core |
| DRUPAL-CORE-2026-016 The Navigation module doesn't sufficiently sanitize certain attributes, which can lead to a cross-site scripting (XSS) vulnerability. | Not rated yet | Also affects drupal/core |
| DRUPAL-CORE-2026-015 The Drupal core Link module provides a field type that can be used for internal and external URLs. | Not rated yet | Also affects drupal/core |
Credits: David Rothstein, Ivan, Mori Sugimoto, elarlang, kyk, njbooher
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