Vulnerability identifier: #VU10704

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6931

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Drupal
Web applications / CMS

Vendor: Drupal

Description
The disclosed vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to incorrect access checks. A remote attacker can bypass Settings Tray access and update certain data that they do not have the permissions for.

Mitigation
Update to version 8.4.5.

Vulnerable software versions

Drupal: 8.4.0 - 8.4.4

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External links
http://www.drupal.org/sa-core-2018-001

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.