CVE-2020-13668: Access bypass in Drupal Core 8/9
First published: Wed Sep 16 2020(Updated: )
Access Bypass vulnerability in Drupal Core allows for an attacker to leverage the way that HTML is rendered for affected forms in order to exploit the vulnerability. This issue affects: Drupal Core 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.
Credit: mlhess@drupal.org mlhess@drupal.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/drupal/core | >=8.0.0<8.1.0>=8.1.0<8.2.0>=8.2.0<8.3.0>=8.3.0<8.4.0>=8.4.0<8.5.0>=8.5.0<8.6.0>=8.6.0<8.7.0>=8.7.0<8.8.0>=8.8.0<8.8.10>=8.9.0<8.9.6>=9.0.0<9.0.6 | |
| composer/drupal/drupal | >=8.0.0<8.1.0>=8.1.0<8.2.0>=8.2.0<8.3.0>=8.3.0<8.4.0>=8.4.0<8.5.0>=8.5.0<8.6.0>=8.6.0<8.7.0>=8.7.0<8.8.0>=8.8.0<8.8.10>=8.9.0<8.9.6>=9.0.0<9.0.6 | |
| Drupal Drupal | >=8.8.0<8.8.10 | |
| Drupal Drupal | >=8.9.0<8.9.6 | |
| Drupal Drupal | >=9.0.0<9.0.6 | |
| composer/drupal/drupal | >=9.0.0<9.0.6 | 9.0.6 |
| composer/drupal/drupal | >=8.9.0<8.9.6 | 8.9.6 |
| composer/drupal/drupal | >=8.0.0<8.8.10 | 8.8.10 |
| composer/drupal/core | >=9.0.0<9.0.6 | 9.0.6 |
| composer/drupal/core | >=8.9.0<8.9.6 | 8.9.6 |
| composer/drupal/core | >=8.0.0<8.8.10 | 8.8.10 |
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Reference Links
- https://www.drupal.org/sa-core-2020-009
- https://nvd.nist.gov/vuln/detail/CVE-2020-13668
- https://github.com/drupal/core/commit/3184fa4b2f3b65b44884b5e858cdc7794d34b4c8
- https://github.com/drupal/core/commit/58330ba58d1ac6f1a0a549e8dbde8a3e094bf4fb
- https://github.com/drupal/core/commit/d4be028d81fb6b067513d788b60c3e6fc8fbd0a2
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13668.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13668.yaml
- https://github.com/advisories/GHSA-m6q5-wv4x-fv6h (Advisory)
Frequently Asked Questions
What is the severity of CVE-2020-13668?
The severity of CVE-2020-13668 is medium.
What is the affected software for CVE-2020-13668?
The affected software for CVE-2020-13668 is Drupal Core 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.
How can an attacker exploit CVE-2020-13668?
An attacker can exploit CVE-2020-13668 by leveraging the way that HTML is rendered for affected forms in Drupal Core.
What is the Common Weakness Enumeration (CWE) for CVE-2020-13668?
The Common Weakness Enumeration (CWE) for CVE-2020-13668 is CWE-79.
Where can I find more information about CVE-2020-13668?
You can find more information about CVE-2020-13668 on the Drupal website at https://www.drupal.org/sa-core-2020-009.
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