CVE-2025-66384

High

Published: 28 November 2025

Published

28 November 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L

EPSS Score 0.0008 23.1th percentile

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-66384 is a high-severity Incorrect Provision of Specified Functionality (CWE-684) vulnerability. Its CVSS base score is 8.2 (High).

Operationally, ranked at the 23.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

app/Controller/EventsController.php in MISP before 2.5.24 has invalid logic in checking for uploaded file validity, related to tmp_name.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-684

Periodic checks confirm that specified security and privacy functions are actually provided and operating.