Vulnerability identifier: #VU22903

Vulnerability risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-14880

CWE-ID: CWE-287

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 authentication process.

The vulnerability exists due to an error, related absence of email verification in OAuth 2 providers. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.7.0 - 3.7.2, 3.6.0 - 3.6.6, 3.5.0 - 3.5.8, 3.4.0 - 3.4.9, 3.3.0 - 3.3.9

---

External links
http://moodle.org/mod/forum/discuss.php?d=393583

---

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.