Vulnerability identifier: #VU666

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-7571

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Drupal
Web applications / CMS

Vendor: Drupal

Description
The vulnerability allows a remote authenticated user to change comment visibility settings.
The weakness exists due to acces bypass error that leads to comments visibility modification.
Successful exploitation of the vulnerability allows a remote user to modify visibility of comments.

Mitigation
Update to 8.1.10.

Vulnerable software versions

Drupal: 8.0.0 - 8.0.6, 8.1.0

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External links
http://www.drupal.org/SA-CORE-2016-004

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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