CVE-2017-6377
Drupal editor module incorrectly checks access to inline private files
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
- Record
CVE-2017-6377- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
- Record
CVE-2017-6377- Updated
- 2026-11-02
EUVDEUVD-2022-5528 No score
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
- Record
EUVD-2022-5528- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w7qx-vwr9-2j3r
7.5
Drupal editor module incorrectly checks access to inline private files
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
- Record
GHSA-w7qx-vwr9-2j3r- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
7.5
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
- Record
CVE-2017-6377- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-w7qx-vwr9-2j3r
7.5
Drupal editor module incorrectly checks access to inline private files
When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
- Record
GHSA-w7qx-vwr9-2j3r- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
drupal/corePackagist |
8.2.0 up to 8.2.7 | 8.2.7 |
drupal/drupalPackagist |
8.2.0 up to 8.2.7 | 8.2.7 |
drupal/corePackagist |
8.2.0 up to 8.2.7, plus listed versions 8.2.18.2.28.2.38.2.48.2.58.2.6 |
8.2.7 |
drupal/drupalPackagist |
8.2.0 up to 8.2.7, plus listed versions 8.2.18.2.28.2.38.2.48.2.58.2.6 |
8.2.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-6377 is a high vulnerability (CVSS 7.5) in Drupal, published March 16, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.89%, the 79th percentile. Fixed in drupal/core 8.2.7.
References
securitytracker.com/id/1038058
drupal.org/SA-2017-001
securityfocus.com/bid/96919
nvd.nist.gov/vuln/detail/CVE-2017-6377
github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6377.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6377.yaml
github.com/advisories/GHSA-w7qx-vwr9-2j3r
github.com/drupal/drupal