How severe is CVE-2025-62397?

CVE-2025-62397 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-62397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62397?

CVE-2025-62397 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-62397?

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

Does CVE-2025-62397 have an EU (EUVD) identifier?

Yes. CVE-2025-62397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35670.

When was CVE-2025-62397 published?

CVE-2025-62397 was published on 2025-10-23 and last updated on 2026-06-17.

CVE-2025-62397

CVE-2025-62397 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 5.3. 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-209.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35670
Weakness: CWE-209
Affected product: Moodle
Published: 2025-10-23
Last modified: 2026-06-17

Description

The router’s inconsistent response to invalid course IDs allowed attackers to infer which course IDs exist, potentially aiding reconnaissance.

Frequently asked questions

What is CVE-2025-62397?: The router’s inconsistent response to invalid course IDs allowed attackers to infer which course IDs exist, potentially aiding reconnaissance.
How severe is CVE-2025-62397?: CVE-2025-62397 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-62397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-62397?: CVE-2025-62397 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-62397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-62397 have an EU (EUVD) identifier?: Yes. CVE-2025-62397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35670.
When was CVE-2025-62397 published?: CVE-2025-62397 was published on 2025-10-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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