Servers and applications
CVE-2017-6922
In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is…
- Severity
- Medium 6.5
- Published
- 22 Jan 2019
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 7.56, 8.3.4
- Exploit chance
- 1.9% in the next 30 daysHigher than 80% of CVEs. EPSS by FIRST, 10 Nov 2026
- Attack
- Over the network · Needs a user account · No user action needed
- Attacker can
- Read data
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- Sources
- NVD
Description
In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.
Affected software
| Software | Affected versions |
|---|---|
DrupalServers and applications · cpe:a:drupal:drupal |
|