Vulnerability
Drupal core Un-restricted Upload of File
Improper sanitization in the extension file names is present in Drupal core.
Apply updates per vendor instructions.
CISA description: “Improper sanitization in the extension file names is present in Drupal core.”
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HMid-pack — moderate exploitation likelihood.
No VEX statements published for CVE-2020-13671. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.
Active exploitation with total impact on essential/support systems