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Status published
Medium
CVE-2021-20185
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
moodle
Vulnerable Versions:
moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16
Timeline
Official Publish:
January 28th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L