CVE Database · CVE-2020-13671
CVSS v3.1
8.8
EPSS
4.27%
Published
Nov 20, 2020
Modified
Nov 3, 2025
CISA Known Exploited Vulnerability
Added: 2022-01-18 · Due: 2022-07-18
Apply updates per vendor instructions.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (6)
References (7)