Cyber Resilience

CVE-2025-3638

High

Published: 25 April 2025

Published
25 April 2025
Modified
16 June 2025
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0024 46.6th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-3638 is a high-severity CSRF (CWE-352) vulnerability in Moodle Moodle. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 46.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A flaw was found in Moodle. The analysis request action in the Brickfield tool did not include the necessary token to prevent a Cross-site request forgery (CSRF) risk.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

The CSRF vulnerability in Moodle's Brickfield tool enables exploitation of a public-facing web application, allowing attackers to perform unauthorized analysis requests on behalf of authenticated users.

MITRE ATLAS TechniquesAI

MITRE ATLAS techniques

AML.T0040: AI Model Inference API AccessAML.T0048: External Harms

Affected Assets

moodle
moodle
≤ 4.1.18 · 4.3.0 — 4.3.12 · 4.4.0 — 4.4.8

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-352

Awareness training educates users on avoiding untrusted links and actions that can be exploited via CSRF.

addresses: CWE-352

Requiring user re-entry of credentials for sensitive actions prevents automated forgery of requests without active user participation.

addresses: CWE-352

Security testing regimens explicitly include checks for missing or ineffective anti-CSRF protections in web applications.

addresses: CWE-352

Detects anomalous request patterns consistent with cross-site request forgery.

References