CVE-2021-20185

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-400CWE-770

Affected software

VendorProductVersions
n/amoodlemoodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16

References

Timeline

Published
Jan 28, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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