TI-2021-03484 Aliases CVE-2021-20184 GHSA-mm73-86f9-5x5c

It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient…

LOW 21CWE-354Published 2021-01-28 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade related web services meant students were able to view other students grades.

Why it matters now

EPSS 0.00727 54th percentileScored 2026-11-07

Fix Fixed moodle/moodle (Packagist): 3.8.7, 3.9.4, 3.10.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	moodle	moodle 3.10.1, moodle 3.9.4, moodle 3.8.7	—	No fix listed	CNA
—	moodle/moodle (Packagist)	3.8 to before 3.8.7	3.8.7	Patch available	GHSA-mm73-86f9-5x5c
—	moodle/moodle (Packagist)	3.9 to before 3.9.4	3.9.4	Patch available	GHSA-mm73-86f9-5x5c
—	moodle/moodle (Packagist)	3.10 to before 3.10.1	3.10.1	Patch available	GHSA-mm73-86f9-5x5c

moodle Vendor— Affected moodle 3.10.1, moodle 3.9.4, moodle 3.8.7 Fixed in — No fix listed CNA
moodle/moodle (Packagist) Vendor— Affected 3.8 to before 3.8.7 Fixed in 3.8.7 Patch available GHSA-mm73-86f9-5x5c
moodle/moodle (Packagist) Vendor— Affected 3.9 to before 3.9.4 Fixed in 3.9.4 Patch available GHSA-mm73-86f9-5x5c
moodle/moodle (Packagist) Vendor— Affected 3.10 to before 3.10.1 Fixed in 3.10.1 Patch available GHSA-mm73-86f9-5x5c

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:moodle:moodle::::::::	before 3.8.7; 3.9.0 to before 3.9.4; 3.10.0 to before 3.10.1	Vulnerable	Moodle

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions before 3.8.7; 3.9.0 to before 3.9.4; 3.10.0 to before 3.10.1 Vulnerable ·Moodle

Remediation

Fix · GHSA-mm73-86f9-5x5c moodle/moodle (Packagist) Fixed in 3.8.7 Advisory →
Fix · GHSA-mm73-86f9-5x5c moodle/moodle (Packagist) Fixed in 3.9.4 Advisory →
Fix · GHSA-mm73-86f9-5x5c moodle/moodle (Packagist) Fixed in 3.10.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-20184
2026-10-03 Alias added: GHSA-mm73-86f9-5x5c

References

TI-2024-22468 moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php CVSS 3.1CRITICAL 9.8
TI-2021-14741 In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses. CVSS 3.1CRITICAL 9.8
TI-2024-29071 Moodle: remote code execution via calculated question types CVSS 3.1HIGH 8.1
TI-2016-06653 Moodle 3.1.2 allows remote attackers to obtain sensitive information via unspecified… CVSS 3.1HIGH 7.5
TI-2022-00259 SQL injection in moodle CVSS 3.1CRITICAL 9.8
TI-2022-16116 Path traversal in Moodle CVSS 3.1HIGH 7.5

See all 636 →

Sources

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