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CVE-2016-3165

24
FAUCET Score

CVE-2016-3165 describes a vulnerability in the Form API of Drupal 6.x before version 6.38, where access restrictions on submit buttons are ignored. This flaw could allow remote attackers to bypass intended access controls by submitting a form with a button that was server-side defined with "#access" set to FALSE. The vulnerability carries a CVSS v3 score of 7.5 (HIGH), indicating a network-based attack vector with low attack complexity, requiring no privileges or user interaction. The potential impact is high integrity, meaning an attacker could modify data, but confidentiality and availability are not affected. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant attention.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:6.0:beta1:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:6.0:beta2:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:6.0:beta3:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:6.0:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0136 is in the 49th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: drupal/coreFixed in: 6.38
composerpatch availablevia ghsa
Product: drupal/drupalFixed in: 6.38

Vendor Advisories (1)

composerGHSA-4gh5-3hqj-x3pjhigh

Drupal Form API ignores access restrictions on submit buttons

May 17, 2022

References

drupal.org / SA-CORE-2016-001
PatchVendor Advisory
debian.org / security/2016/dsa-3498
openwall.com / lists/oss-security/2016/02/24/19
openwall.com / lists/oss-security/2016/03/15/10