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Vulnerability Details :

CVE-2021-20185

Assigner-redhat

Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749

Published At-28 Jan, 2021 | 19:01

Updated At-03 Aug, 2024 | 17:30

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.

EPSS History

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N/A

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N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:redhat

Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749

Published At:28 Jan, 2021 | 19:01

Updated At:03 Aug, 2024 | 17:30

▼CVE Numbering Authority (CNA)

Affected Products

Vendor

n/a

Product

moodle

Versions

Affected

moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16

Problem Types

Type	CWE ID	Description
CWE	CWE-400	CWE-400

Type: CWE

CWE ID: CWE-400

Description: CWE-400

References

Hyperlink	Resource
https://moodle.org/mod/forum/discuss.php?d=417168	x_refsource_MISC

Hyperlink: https://moodle.org/mod/forum/discuss.php?d=417168

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://moodle.org/mod/forum/discuss.php?d=417168	x_refsource_MISC x_transferred

Hyperlink: https://moodle.org/mod/forum/discuss.php?d=417168

Resource:

x_refsource_MISC

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:secalert@redhat.com

Published At:28 Jan, 2021 | 20:15

Updated At:21 Oct, 2022 | 20:10

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary	2.0	5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P

Type: Primary

Version: 3.1

Base score: 5.3

Base severity: MEDIUM

Vector:

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

Type: Primary

Version: 2.0

Base score: 5.0

Base severity: MEDIUM

Vector:

AV:N/AC:L/Au:N/C:N/I:N/A:P

CPE Matches

Moodle Pty Ltd

>>moodle>>Versions from 3.5.0(inclusive) to 3.5.16(exclusive)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

Moodle Pty Ltd

>>moodle>>Versions from 3.8.0(inclusive) to 3.8.7(exclusive)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

Moodle Pty Ltd

>>moodle>>Versions from 3.9.0(inclusive) to 3.9.4(exclusive)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

Moodle Pty Ltd

>>moodle>>3.10.0

cpe:2.3:a:moodle:moodle:3.10.0:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-770	Primary	nvd@nist.gov
CWE-400	Secondary	secalert@redhat.com

CWE ID: CWE-770

Type: Primary

Source: nvd@nist.gov

CWE ID: CWE-400

Type: Secondary

Source: secalert@redhat.com

References

Hyperlink	Source	Resource
https://moodle.org/mod/forum/discuss.php?d=417168	secalert@redhat.com	Patch Vendor Advisory

Hyperlink: https://moodle.org/mod/forum/discuss.php?d=417168

Source: secalert@redhat.com

Resource:

Patch

Vendor Advisory

CVE-2021-20185

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