Auth bypass in Drupal

CVE-2017-6377

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.

Vulnerability class: Broken Access Control

EPSS: 0.003 (52.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

  • Drupal — versions 8.2.0, 8.2.1, 8.2.2
  • Drupal Core — versions 8.2.x versions before 8.2.7

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-6377?
CVE-2017-6377 is a high-severity vulnerability in Drupal, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2017-03-16.
How severe is CVE-2017-6377?
High severity. CVSS v3 base score is 7.5 out of 10.