CVE-2020-13671
Last modified
CVE-2020-13671 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 4.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Drupal | >= 7.0, < 7.74 |
| Drupal | Drupal | >= 8.8.0, < 8.8.11 |
| Drupal | Drupal | >= 8.9.0, < 8.9.9 |
| Drupal | Drupal | >= 9.0.0, < 9.0.8 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
References
- https://www.drupal.org/sa-core-2020-012Vendor Advisory
- https://www.drupal.org/sa-core-2020-012Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13671US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
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