CVE-2021-20185 Information

Description

It was found in Moodle before version 3.10.1 3.9.4 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages which could result in client-side (browser) denial of service for users receiving very large messages.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

https://moodle.org/mod/forum/discuss.php?d=417168

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3