Description
Drupal Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass certain security restrictions and perform otherwise restricted actions. Drupal Core versions 8.9.x ranging from 8.9.0 and up to and including 8.9.5 are vulnerable.
Remediation
Update to Drupal Core version 8.9.6 or latest
References
Related Vulnerabilities
CubeCart Improper Input Validation Vulnerability (CVE-2013-1465)
PHP Permissions, Privileges, and Access Controls Vulnerability (CVE-2007-3378)
WebLogic CVE-2020-14882 Vulnerability (CVE-2020-14882)
OpenSSL Cryptographic Issues Vulnerability (CVE-2015-0205)
Apache Tomcat directory host Appbase authentication bypass vulnerability