Improper access control in Drupal - CVE-2020-13675
Published: September 15, 2021
Vulnerability identifier: #VU56631
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13675
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within the JSON:API and REST/File modules when validating file uploads. A remote user can bypass the file validation process.
Affected software
Drupal
How to mitigate CVE-2020-13675
Install updates from vendor's website.
Drupal - addressed in versions 8.9.19, 9.1.13, 9.2.6