CVE-2023-28336

Moodle: teacher can access names of users they do not have permission to access

View on CVE.org

Published Mar 23, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

unaffected

Version	Status	Constraints
`4.1.0`	affected	< 4.1.2
`4.0.0`	affected	< 4.0.7
`3.11.0`	affected	< 3.11.13
`0`	affected	< 3.9.20

Configuration 1 [-]

OR	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle:3.9.0:-::::::
	cpe:2.3:a:moodle:moodle:3.11.0:-::::::
	cpe:2.3:a:moodle:moodle:4.0.0:-::::::
	cpe:2.3:a:moodle:moodle:4.1.0:-::::::
	cpe:2.3:a:moodle:moodle:4.1.1:::::::*

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Github GHSA	GHSA-prjm-2fj2-787f	Moodle may allow teachers to access the names of users they could not otherwise access

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.742% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=2179426
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF/
https://moodle.org/mod/forum/discuss.php?d=445068

History

Feb 25, 2026 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Fedoraproject Fedora

Moodle Moodle

Weaknesses

Sources

CVE record Updated: Aug 2, 2024, 12:38 PM

Status: PUBLISHED
Assigner: fedora
Published: Mar 23, 2023, 12:00 AM
Updated: Aug 2, 2024, 12:38 PM
Reserved: Mar 14, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 12:38 PM

Updated: Aug 2, 2024, 12:38 PM

NVD Updated: Jun 17, 2026, 5:47 AM

Status: Modified
Published: Mar 23, 2023, 9:15 PM
Modified: Jun 17, 2026, 5:47 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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