CVE-2016-3165

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-12 · updated 2026-06-17
Weakness: CWE-284

Description

The Form API in Drupal 6.x before 6.38 ignores access restrictions on submit buttons, which might allow remote attackers to bypass intended access restrictions by leveraging permission to submit a form with a button that has "#access" set to FALSE in the server-side form definition.

Affected products

Drupal: 6.0, 6.0-beta1, 6.0-beta2, 6.0-beta3, 6.0-beta4, 6.0-dev (+41)

References

http://www.debian.org/security/2016/dsa-3498
http://www.openwall.com/lists/oss-security/2016/02/24/19
http://www.openwall.com/lists/oss-security/2016/03/15/10
https://www.drupal.org/SA-CORE-2016-001
http://www.debian.org/security/2016/dsa-3498
http://www.openwall.com/lists/oss-security/2016/02/24/19
http://www.openwall.com/lists/oss-security/2016/03/15/10
https://www.drupal.org/SA-CORE-2016-001

Get alerted when CVE-2016-3165 or the next vulnerability affects your stack