PT-2024-25627 · Moodle+2 · Moodle+2

Petr Skoda · Published 2024-05-31 · Updated 2025-06-02 · CVE-2024-33999

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Moodle (affected versions not specified)

Description The issue arises from the unsafe direct use of the HTTP REFERER variable in the admin/tool/mfa/index.php file. Specifically, the referrer URL used by Multi-Factor Authentication (MFA) required additional sanitizing rather than being used directly. This could potentially lead to security issues, although the exact nature and impact are not detailed in the provided information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2024-8851

ALT-PU-2024-9067

BIT-MOODLE-2024-33999

CVE-2024-33999

GHSA-R2WX-46GP-RP3H

Affected Products

Alt Linux

Moodle

Red Os

References · 15

• https://osv.dev/vulnerability/BIT-moodle-2024-33999 · Vendor Advisory
• https://moodle.org/mod/forum/discuss.php?d=458387 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-33999 · Security Note
• https://cve.org/CVERecord?id=CVE-2024-33999 · Security Note
• https://ubuntu.com/security/CVE-2024-33999 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-33999 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-r2wx-46gp-rp3h · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-33999 · Vendor Advisory
• https://github.com/moodle/moodle · Note
• http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-80878 · Note
• https://twitter.com/vulert_official/status/1929446663615119471 · Twitter Post
• https://t.me/cvenotify/81658 · Telegram Post
• https://t.me/cvenotify/81776 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-moodle-01-07-24 · Note
• https://t.me/cvenotify/124179 · Telegram Post