What is CVE-2024-37880?

CVE-2024-37880 is a high-severity vulnerability in Pq-crystals Kyber, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2024-06-10.

How severe is CVE-2024-37880?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Pq-crystals Kyber

CVE-2024-37880

The Kyber reference implementation before 9b8d306, when compiled by LLVM Clang through 18.x with some common optimization options, has a timing side channel that allows attackers to recover an ML-KEM 512 secret key in minutes. This occurs…

EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Pq-crystals Kyber
N/a — versions n/a

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit)
cve@mitre.org (Patch)
cve@mitre.org (Not Applicable)
cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2024-37880?: CVE-2024-37880 is a high-severity vulnerability in Pq-crystals Kyber, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2024-06-10.
How severe is CVE-2024-37880?: High severity. CVSS v3 base score is 7.5 out of 10.