All vulnerabilities

Servers and applications

CVE-2020-13664

Arbitrary PHP code execution vulnerability in Drupal Core under certain circumstances. An attacker could trick an administrator into visiting a malicious site that could result in creating a carefully named directory on the file system. With this directory in place, an attacker could attempt to brute force a remote code execution vulnerability. Windows servers are most likely to be affected.…

Severity
High 8.8
Published
5 May 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.8.8, 8.9.1, 9.0.1
Sources
NVD

Affected software

SoftwareAffected versions
DrupalServers and applications · cpe:a:drupal:drupal
  • From 8.8.0 before 8.8.8
  • From 8.9.0 before 8.9.1
  • From 9.0.0 before 9.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-13664
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-13664