CVE-2020-13675
Unrestricted Upload of File with Dangerous Type in Drupal core
9.8
CRITICAL
CVSS 3.1
EPSS 0.80%
Description
Drupal's JSON:API and REST/File modules allow file uploads through their HTTP APIs. The modules do not correctly run all file validation, which causes an access bypass vulnerability. An attacker might be able to upload files that bypass the file validation process implemented by modules on the site.
How to fix CVE-2020-13675
To remediate CVE-2020-13675, upgrade the affected package to a fixed version below.
- —upgrade to 8.9.19 or later
- —upgrade to 8.9.19 or later
- —upgrade to 8.9.19 or later
- —upgrade to 4.2.0 or later
Is CVE-2020-13675 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- >= 8.0.0, < 8.9.19, >= 9.1.0, < 9.1.13, >= 9.2.0, < 9.2.6
- >= 8.0.0, < 8.9.19 | >= 9.1.0, < 9.1.13 | >= 9.2.0, < 9.2.6
- >= 8.0.0, < 8.9.19
- >= 4.0.0, < 4.2.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |