CVE-2024-33999

moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php

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Published May 31, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

The referrer URL used by MFA required additional sanitizing, rather than being used directly.

Analysis

No analysis available yet

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

unknown

Version	Status	Constraints
`4.3`	affected	≤ 4.3.3

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Github GHSA	GHSA-r2wx-46gp-rp3h	Moodle Improper Input Validation

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.545% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://moodle.org/mod/forum/discuss.php?d=458387

History

May 30, 2025 9:45 PM First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Moodle Moodle moodle
Weaknesses		NVD-CWE-noinfo
CPEs		cpe:2.3:a:moodle:moodle::::::::
Vendors & Products		Moodle Moodle moodle

Aug 29, 2024 9:00 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

Subscriptions

Moodle Moodle

Weaknesses

CWE-20
Improper Input Validation
NVD-CWE-noinfo

Sources

CVE record Updated: Aug 29, 2024, 7:59 PM

Status: PUBLISHED
Assigner: fedora
Published: May 31, 2024, 7:53 PM
Updated: Aug 29, 2024, 7:59 PM
Reserved: Apr 29, 2024, 1:02 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 2:42 AM

Updated: Aug 2, 2024, 2:42 AM

NVD Updated: Jun 17, 2026, 7:32 AM

Status: Analyzed
Published: May 31, 2024, 8:15 PM
Modified: Jun 17, 2026, 7:32 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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