How severe is CVE-2025-3640?

CVE-2025-3640 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-3640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3640?

CVE-2025-3640 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3640?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3640 have an EU (EUVD) identifier?

Yes. CVE-2025-3640 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12522.

When was CVE-2025-3640 published?

CVE-2025-3640 was published on 2025-04-25 and last updated on 2026-06-17.

CVE-2025-3640

CVE-2025-3640 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12522
Weakness: CWE-639
Affected product: Moodle
Published: 2025-04-25
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-3640?: CVE-2025-3640 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-3640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3640?: CVE-2025-3640 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3640?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3640 have an EU (EUVD) identifier?: Yes. CVE-2025-3640 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12522.
When was CVE-2025-3640 published?: CVE-2025-3640 was published on 2025-04-25 and last updated on 2026-06-17.

References

Affected products (1)

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

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