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CVE-2021-20185
Good to know:
Date: January 28, 2021
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.
Language: PHP
Severity Score
Severity Score
Weakness Type (CWE)
Top Fix
Upgrade Version
Upgrade to version moodle/moodle - dev-MOODLE_38_STABLE;moodle/moodle - v3.6.0-beta;moodle/moodle - v3.8.5;moodle/moodle - v3.6.5;moodle/moodle - v3.8.1;moodle/moodle - v3.7.0-rc2;moodle/moodle - v3.7.8;moodle/moodle - v3.1.14;moodle/moodle - v3.4.5;moodle/moodle - v3.5.7;moodle/moodle - v3.10.1;moodle/moodle - v3.8.7;moodle/moodle - v3.5.2;moodle/moodle - v3.7.1;moodle/moodle - v3.3.8;moodle/moodle - v3.9.4;covex-nn/moodle - v2.4.3.1;covex-nn/moodle - v2.6.0.5;covex-nn/moodle - v2.5.0.0;covex-nn/moodle - v2.8.0.0;covex-nn/moodle - v2.9.1.0;acosf/archersys - 3.5;acosf/archersys - 4.0.0
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | LOW |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | NETWORK |
| Access Complexity (AC): | LOW |
| Authentication (AU): | NONE |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | PARTIAL |
| Additional information: |