Vulnerability identifier: #VU18021

Vulnerability risk: Low

CVSSv3.1: 2.3 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3851

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to the application contains a link to site home within the the Boost theme's secure layout that can lead to students navigating out of the page.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.6.0 - 3.6.2, 3.5.0 - 3.5.4

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External links
http://moodle.org/mod/forum/discuss.php?d=384014

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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.