How severe is CVE-2025-62399?

CVE-2025-62399 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-62399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62399?

CVE-2025-62399 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-62399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-62399 have an EU (EUVD) identifier?

Yes. CVE-2025-62399 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35668.

When was CVE-2025-62399 published?

CVE-2025-62399 was published on 2025-10-23 and last updated on 2026-06-17.

CVE-2025-62399

CVE-2025-62399 is a high-severity vulnerability in Moodle with a CVSS 3.x base score of 7.5. 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35668
Weakness: CWE-307
Affected product: Moodle
Published: 2025-10-23
Last modified: 2026-06-17

Description

Moodle’s mobile and web service authentication endpoints did not sufficiently restrict repeated password attempts, making them susceptible to brute-force attacks.

Frequently asked questions

What is CVE-2025-62399?: Moodle’s mobile and web service authentication endpoints did not sufficiently restrict repeated password attempts, making them susceptible to brute-force attacks.
How severe is CVE-2025-62399?: CVE-2025-62399 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-62399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-62399?: CVE-2025-62399 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-62399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-62399 have an EU (EUVD) identifier?: Yes. CVE-2025-62399 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35668.
When was CVE-2025-62399 published?: CVE-2025-62399 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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