CVE-2019-6340
Drupal Core Remote Code Execution Vulnerability
Drupal CoreApplications & CMS
CVSS
8.1HighExploit odds (EPSS)92.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
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
- 20 Feb 2019Exploit code publicMetasploit
- 21 Feb 2019, 21:00 UTCPublishedCVE List
- 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
- synology.com/security/advisory/Synology_SA_19_09Advisoryvia CVE List
- exploit-db.com/exploits/46452/Exploitvia CVE List
- exploit-db.com/exploits/46510/Exploitvia CVE List
- exploit-db.com/exploits/46459/Exploitvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2019-6340Referencevia CISA KEV
- drupal.org/sa-core-2019-003Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-6340Referencevia CVE List