Every CVE Search/ Get API key

CVE-2020-13667

Drupal Core Access bypass vulnerability

5.3 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.93%Up 0.5 points since May 18, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

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.

Record
CVE-2020-13667
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-276
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2020-13667
Updated
2026-11-02
EUVDEUVD-2022-5688 No score

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.

Record
EUVD-2022-5688
Updated
2026-11-03
GitHub AdvisoriesGHSA-x2q9-r8gm-f657 5.3

Drupal Core Access bypass vulnerability

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.

Record
GHSA-x2q9-r8gm-f657
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-276
Updated
2026-11-02
OSV 5.3

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.

Record
CVE-2020-13667
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVGHSA-x2q9-r8gm-f657 5.3

Drupal Core Access bypass vulnerability

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.

Record
GHSA-x2q9-r8gm-f657
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-276
Updated
2026-11-02
OSVBIT-drupal-2020-13667 No score

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.

Record
BIT-drupal-2020-13667
Updated
2026-11-02
OSVDRUPAL-CORE-2020-008 No score

The experimental Workspaces module allows you to create multiple workspaces on your site in which draft content can be edited before being published to the live workspace.

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.

Record
DRUPAL-CORE-2020-008
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
drupal/core
Packagist
8.8.0 up to 8.8.10
8.8.10
drupal/core
Packagist
8.9.0 up to 8.9.6
8.9.6
drupal/core
Packagist
9.0.0 up to 9.0.6
9.0.6
drupal/drupal
Packagist
8.8.0 up to 8.8.10
8.8.10
drupal/drupal
Packagist
8.9.0 up to 8.9.6
8.9.6
drupal/drupal
Packagist
9.0.0 up to 9.0.6
9.0.6
drupal
Bitnami
8.8.0 up to 8.8.10, 8.9.0 up to 8.9.6, 9.0.0 up to 9.0.6
8.8.108.9.69.0.6
drupal/core
Packagist
8.0.0 up to 8.8.10, 8.9.0 up to 8.9.6, 9.0.0 up to 9.0.6, plus listed versions
8.0.18.0.28.0.38.0.48.0.5
Show 45 moreShow less
8.0.68.1.08.1.0-beta18.1.0-beta28.1.0-rc18.1.18.1.108.1.28.1.38.1.48.1.58.1.68.1.78.1.88.1.98.2.08.2.0-beta18.2.0-beta28.2.0-beta38.2.0-rc18.2.0-rc28.2.18.2.28.2.38.2.48.2.58.2.68.2.78.2.88.3.08.3.0-alpha18.3.0-beta18.3.0-rc18.3.0-rc28.3.18.3.28.3.38.3.48.3.58.3.68.3.78.3.88.3.98.4.08.4.0-alpha1
8.8.108.9.69.0.6
drupal/core
Packagist
8.8.0 up to 8.8.10, plus listed versions
8.8.18.8.28.8.38.8.48.8.5
Show 4 moreShow less
8.8.68.8.78.8.88.8.9
8.8.10
drupal/core
Packagist
8.9.0 up to 8.9.6, plus listed versions
8.9.18.9.28.9.38.9.48.9.5
8.9.6
Show 4 moreShow less
Affected packages
PackageAffectedFixed
drupal/core
Packagist
9.0.0 up to 9.0.6, plus listed versions
9.0.19.0.29.0.39.0.49.0.5
9.0.6
drupal/drupal
Packagist
8.8.0 up to 8.8.10, plus listed versions
8.8.18.8.28.8.38.8.48.8.5
Show 4 moreShow less
8.8.68.8.78.8.88.8.9
8.8.10
drupal/drupal
Packagist
8.9.0 up to 8.9.6, plus listed versions
8.9.18.9.28.9.38.9.48.9.5
8.9.6
drupal/drupal
Packagist
9.0.0 up to 9.0.6, plus listed versions
9.0.19.0.29.0.39.0.49.0.5
9.0.6

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13667 is a medium vulnerability (CVSS 5.3) in Drupal, published September 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. Fixed in drupal/core 8.8.10.

References

This page doesn't list everything

Left out here: 96 versions. The JSON record has them.

MoveEnter Open