CVE-2020-13671

Published Nov 20, 2020 CVSS 3.1 · 8.8 High EPSS 30.9% KEV · Listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2458-1 drupal7 security update
EUVD EUVD EUVD-2021-2168 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.
Github GHSA Github GHSA GHSA-68jc-v27h-vhmw Drupal core Unrestricted Upload of File with Dangerous Type
Ubuntu USN Ubuntu USN USN-6981-1 Drupal vulnerabilities
Ubuntu USN Ubuntu USN USN-6981-2 Drupal vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.07758}

epss

{'score': 0.05867}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-01-18'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
drupal
Published
Updated
Oct 21, 2025, 11:35 PM
Reserved
May 28, 2020, 12:00 AM
Status
Analyzed
Published
Nov 20, 2020, 4:15 PM
Modified
Jun 17, 2026, 2:53 AM