SCA: security update for moodle/moodle (GHSA-c3j6-33r4-89q3)

medium Tenable Cloud Security Plugin ID 434405

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2021-20185)

See Also

https://github.com/advisories/GHSA-c3j6-33r4-89q3

Plugin Details

Severity: Medium

ID: 434405

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 8/19/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-20185

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 1/28/2021

Reference Information

CVE: CVE-2021-20185