What is the severity of CVE-2021-32476?

CVE-2021-32476 is classified as a denial-of-service vulnerability in Moodle.

How do I fix CVE-2021-32476?

To fix CVE-2021-32476, upgrade to Moodle version 3.10.4, 3.9.7, 3.8.9, or 3.5.18.

Which versions of Moodle are affected by CVE-2021-32476?

Affected versions include Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, and 3.5 to 3.5.17.

What causes the vulnerability CVE-2021-32476?

CVE-2021-32476 is caused by the draft files area in Moodle not respecting user file upload limits.

Is CVE-2021-32476 fixed in later Moodle releases?

Yes, CVE-2021-32476 is fixed in subsequent releases after the affected versions.

Vulnerability/
CVE-2021-32476

high

7.5

CWE

770 400

11/3/2022

12/3/2022

3/8/2024

CVE-2021-32476

First published: Fri Mar 11 2022(Updated: )

A denial-of-service risk was identified in the draft files area, due to it not respecting user file upload limits. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected.

Credit: secalert@redhat.com secalert@redhat.com

Affected Software	Affected Version	How to fix
composer/moodle/moodle	>=3.5.17<3.5.18	3.5.18
composer/moodle/moodle	>=3.8<3.8.9	3.8.9
composer/moodle/moodle	>=3.9<3.9.7	3.9.7
composer/moodle/moodle	>=3.10<3.10.4	3.10.4
Moodle	<3.5.18
Moodle	>=3.8.0<3.8.9
Moodle	>=3.9.0<3.9.7
Moodle	>=3.10.0<3.10.4

Remedy

https://moodle.org/mod/forum/discuss.php?d=422310

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-32476?
CVE-2021-32476 is classified as a denial-of-service vulnerability in Moodle.
How do I fix CVE-2021-32476?
To fix CVE-2021-32476, upgrade to Moodle version 3.10.4, 3.9.7, 3.8.9, or 3.5.18.
Which versions of Moodle are affected by CVE-2021-32476?
Affected versions include Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, and 3.5 to 3.5.17.
What causes the vulnerability CVE-2021-32476?
CVE-2021-32476 is caused by the draft files area in Moodle not respecting user file upload limits.
Is CVE-2021-32476 fixed in later Moodle releases?
Yes, CVE-2021-32476 is fixed in subsequent releases after the affected versions.

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