Auth bypass in Drupal
CVE-2011-2726
An access bypass issue was found in Drupal 7.x before version 7.5. If a Drupal site has the ability to attach File upload fields to any entity type in the system or has the ability to point individual File upload fields to the private file directory in comments, and the parent node is denied access, non-privileged users can still download the file attached to the comment if they know or guess its direct URL.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Drupal
- Drupal Core — versions 7.x before version 7.5
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 14, 15, 16
- Red Hat Enterprise Linux — versions 5.0, 6.0
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2011-2726 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/cve-2011-2726 (Broken Link)
- www.openwall.com/lists/oss-security/2012/03/19/10 (Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/03/20/14 (Mailing List, Third Party Advisory)
- www.drupal.org/node/1231510 (Vendor Advisory)
Frequently asked questions
- What is CVE-2011-2726?
- CVE-2011-2726 is a high-severity vulnerability in Drupal, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2019-11-15.
- How severe is CVE-2011-2726?
- High severity. CVSS v3 base score is 7.5 out of 10.