Vulnerability identifier: #VU18017

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3848

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 gain access to sensitive information.

The vulnerability exists due to incorrect implementation of permissions checks when loading event information into the calendar's edit event modal popup. A remote authenticated attacker can view contents of calendar events that belong to other users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.6.0 - 3.6.2, 3.5.0 - 3.5.4, 3.3.4 - 3.3.5, 3.4.0 - 3.4.7

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External links
http://moodle.org/mod/forum/discuss.php?d=384011

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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.