Arbitrary PHP Code Execution Vulnerability in Drupal Core by Drupal
CVE-2020-13664

8.8HIGH

Key Information:

Vendor
Drupal
Vendor
CVE Published:
5 May 2021

Summary

This vulnerability in Drupal Core allows for arbitrary PHP code execution under specific conditions. An attacker may deceive an administrator into visiting a malicious page, resulting in the creation of a specially named directory on the server's filesystem. This directory could potentially be exploited to brute-force a remote code execution vector, affecting primarily Windows server configurations. Multiple versions of Drupal Core prior to certain updates are susceptible to this security issue, highlighting the importance of timely patches and secure practices.

Affected Version(s)

Drupal Core 8.8.x < 8.8.8

Drupal Core 8.9.x < 8.9.1

Drupal Core 9.0.1

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.