CVE-2025-3640: moodle — Fix

Description

A flaw was found in Moodle. Insufficient capability checks made it possible for a user enrolled in a course to access some details, such as the full name and profile image URL, of other users they did not have permission to access.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
moodle	moodle	< 4.1.18
moodle	moodle	4.3.0 — 4.3.12
moodle	moodle	4.4.0 — 4.4.8
moodle	moodle	4.5.0 — 4.5.4

References

Advisories & Patches

https://moodle.org/mod/forum/discuss.php?d=467601

Other References

https://access.redhat.com/security/cve/CVE-2025-3640 https://bugzilla.redhat.com/show_bug.cgi?id=2359734

Frequently Asked Questions

What is CVE-2025-3640? +

A flaw was found in Moodle. Insufficient capability checks made it possible for a user enrolled in a course to access some details, such as the full name and profile image URL, of other users they did not have permission to access. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-3640? +

CVE-2025-3640 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3640? +

CVE-2025-3640 affects products from moodle, specifically: moodle. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3640? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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