Home/CVE/Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions.
CVE

CVE-2020-13667

Access bypass vulnerability in of Drupal Core Workspaces allows an attacker to access data without correct permissions.

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.

MEDIUM · CVSS 5.3 EPSS 0.00144
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

3
drupal>= 8.8.0 and < 8.8.10
drupal>= 8.9.0 and < 8.9.6
drupal>= 9.0.0 and < 9.0.6

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist drupal/core MEDIUM fixed in 8.8.10
Packagist drupal/drupal MEDIUM fixed in 8.8.10

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · mlhess@drupal.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 May 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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