CVE-2020-13671

Known Exploited

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.32% Top 15%
KEV Since 
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory drupal.org
Affected: Drupal Drupal Core
Published at:
Updated at:

References

Link Tags
https://www.drupal.org/sa-core-2020-012 vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ mailing list release notes vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ mailing list release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13671?
CVE-2020-13671 has been scored as a high severity vulnerability.
How to fix CVE-2020-13671?
To fix CVE-2020-13671, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13671 being actively exploited in the wild?
It is confirmed that CVE-2020-13671 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13671?
CVE-2020-13671 affects Drupal Drupal Core.
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