All vulnerabilities
CVE-2019-6340

Drupal Core Remote Code Execution Vulnerability

Drupal CoreApplications & CMS
CVSS
8.1High
ExploitationExploited in the wildAdded to KEV 25 Mar 2022CISA KEV
Exploit odds (EPSS)92.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in8.5.11Also 8.6.10CVE List
Federal deadline15 Apr 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 20 Feb 2019Exploit code publicMetasploit
  2. 21 Feb 2019, 21:00 UTCPublishedCVE List
  3. 25 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 6

  • Exploit moduleDrupal RESTful Web Services unserialize() RCE 20 Feb 2019Metasploit
  • Remote exploitDrupal < 8.5.11 / < 8.6.10 - RESTful Web Services unserialize() Remote Command Execution (Metasploit) 7 Mar 2019Exploit-DB
  • Remote exploitDrupal < 8.5.11 / < 8.6.10 - RESTful Web Services unserialize() Remote Command Execution (Metasploit) 7 Mar 2019Exploit-DB
  • Webapps exploitDrupal < 8.6.10 / < 8.5.11 - REST Module Remote Code Execution 23 Feb 2019Exploit-DB
  • Webapps exploitDrupal < 8.6.9 - REST Module Remote Code Execution 25 Feb 2019Exploit-DB
  • Scanner templateDrupal - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

In Drupal Core, some field types do not properly sanitize data from non-form sources. This can lead to arbitrary PHP code execution in some cases.

Text from CVE List

Affected versions 2

  • Drupal Coreaffected: 8.5 before 8.5.11CVE List
  • Drupal Coreaffected: 8.6 before 8.6.10CVE List

References 7