How severe is CVE-2025-3647?

CVE-2025-3647 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-2025-3647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3647?

CVE-2025-3647 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3647?

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

Does CVE-2025-3647 have an EU (EUVD) identifier?

Yes. CVE-2025-3647 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12515.

When was CVE-2025-3647 published?

CVE-2025-3647 was published on 2025-04-25 and last updated on 2026-06-17.

CVE-2025-3647

CVE-2025-3647 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12515
Weakness: CWE-863
Affected product: Moodle
Published: 2025-04-25
Last modified: 2026-06-17

Description

A flaw was discovered in Moodle. Additional checks were required to ensure that users can only access cohort data they are authorized to retrieve.

Frequently asked questions

What is CVE-2025-3647?: A flaw was discovered in Moodle. Additional checks were required to ensure that users can only access cohort data they are authorized to retrieve.
How severe is CVE-2025-3647?: CVE-2025-3647 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-2025-3647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3647?: CVE-2025-3647 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3647 have an EU (EUVD) identifier?: Yes. CVE-2025-3647 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12515.
When was CVE-2025-3647 published?: CVE-2025-3647 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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