8.8

CVE-2020-13671

Warning

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.

Data is provided by the National Vulnerability Database (NVD)
Drupal ≫ Drupal Version >= 7.0 < 7.74
Drupal ≫ Drupal Version >= 8.8 < 8.8.11
Drupal ≫ Drupal Version >= 8.9 < 8.9.9
Drupal ≫ Drupal Version >= 9.0 < 9.0.8
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33

18.01.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

Drupal core Un-restricted Upload of File

Vulnerability

Improper sanitization in the extension file names is present in Drupal core.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 12.44% 0.936
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-434 Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.