CVE-2023-31582

High

Published: 25 October 2023

Published

25 October 2023

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Score 0.0017 37.7th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-31582 is a high-severity Insufficient Entropy (CWE-331) vulnerability in Jose4J Project Jose4J. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 37.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.

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

jose4j project

jose4j

≤ 0.9.3

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-331

Approved key-establishment methods mandate sufficient entropy during key generation, eliminating entropy-starved keys.