CVE-2017-6928
Drupal core 7.x versions before 7.57 when using Drupal's private file system, Drupal will check to make sure a user has access to a file before allowing the user to view or download it.
Does this matter?
Lower severity and a low EPSS score (1.02%). Track it; it rarely justifies an emergency change on its own.
Description
Drupal core 7.x versions before 7.57 when using Drupal's private file system, Drupal will check to make sure a user has access to a file before allowing the user to view or download it. This check fails under certain conditions in which one module is trying to grant access to the file and another is trying to deny it, leading to an access bypass vulnerability. This vulnerability is mitigated by the fact that it only occurs for unusual site configurations.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.02% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- drupal/drupal · debian/debian linux
- Source
- mlhess@drupal.org
EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://lists.debian.org/debian-lts-announce/2018/02/msg00030.htmlThird Party Advisory
- https://www.debian.org/security/2018/dsa-4123Issue Tracking
- https://www.drupal.org/sa-core-2018-001Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00030.htmlThird Party Advisory
- https://www.debian.org/security/2018/dsa-4123Issue Tracking
- https://www.drupal.org/sa-core-2018-001Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.