CVE-2017-6381

Drupal vulnerability

CVSS

8.1

EPSS

3.9%

EPSS pct

89th

Exploited

No known

A 3rd party development library including with Drupal 8 development dependencies is vulnerable to remote code execution. This is mitigated by the default .htaccess protection against PHP execution, and the fact that Composer development dependencies aren't normal installed. You might be vulnerable to this if you are running a version of Drupal before 8.2.2. To be sure you aren't vulnerable, you can remove the <siteroot>/vendor/phpunit directory from your production deployments

Affected vendor

Drupal

Affected product

Drupal

CVSS vector

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

Weakness type (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

Published

2017-03-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2017-6381

Confirm whether Drupal Drupal is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-6381.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-6381

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-6381 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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