CVSS v3
8.8
HIGH
EPSS Score
4.5 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2022-01-18
- Patch Due Date
- 2022-07-18
- Ransomware Use
- Unknown
Technical details
- Published
- 2020-11-20
Frequently asked questions
What is CVE-2020-13671?
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.
Is CVE-2020-13671 actively exploited?
Yes. CVE-2020-13671 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-07-18.
What is the CVSS score for CVE-2020-13671?
CVE-2020-13671 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-13671 affecting your environment?
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