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.x.x ranging from 8.0.0 and up to and including 8.7.14 are vulnerable.

Remediation

Update to Drupal Core version 9.0.1 or latest

References

https://www.drupal.org/sa-core-2020-006

Related Vulnerabilities

Drupal Improper Neutralization of Special Elements used in a Command ('Command Injection') Vulnerability (CVE-2020-13664)

Oracle Database Server CVE-2014-6567 Vulnerability (CVE-2014-6567)

Python Loop with Unreachable Exit Condition ('Infinite Loop') Vulnerability (CVE-2019-20907)

Apache Tomcat Allocation of Resources Without Limits or Throttling Vulnerability (CVE-2025-48988)

MediaWiki Improper Restriction of XML External Entity Reference Vulnerability (CVE-2014-9487)

Severity

High

Classification

CVE-2020-13665 CWE-264 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass