CVE-2020-13667
Drupal Core Access bypass vulnerability
Description
Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions. The Workspaces module doesn't sufficiently check access permissions when switching workspaces, leading to an access bypass vulnerability. An attacker might be able to see content before the site owner intends people to see the content. This vulnerability is mitigated by the fact that sites are only vulnerable if they have installed the experimental Workspaces module. This issue affects Drupal Core8.8.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 to fix CVE-2020-13667
To remediate CVE-2020-13667, upgrade the affected package to a fixed version below.
- —upgrade to 8.8.10 or later
- —upgrade to 8.8.10 or later
- —upgrade to 8.8.10 or later
- —upgrade to 8.8.10 or later
Is CVE-2020-13667 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- >= 8.8.0, < 8.8.10, >= 8.9.0, < 8.9.6, >= 9.0.0, < 9.0.6
- >= 8.0.0, < 8.8.10 | >= 8.9.0, < 8.9.6 | >= 9.0.0, < 9.0.6
- >= 8.8.0, < 8.8.10
- >= 8.8.0, < 8.8.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |