What is CVE-2024-21859?

CVE-2024-21859 is a medium-severity vulnerability in Intel(r) Processors, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-02-12.

How severe is CVE-2024-21859?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Intel(r) Processors

CVE-2024-21859

Improper buffer restrictions in the UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

N/a Intel(r) Processors — versions See references

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secure@intel.com

Frequently asked questions

What is CVE-2024-21859?: CVE-2024-21859 is a medium-severity vulnerability in Intel(r) Processors, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-02-12.
How severe is CVE-2024-21859?: Medium severity. CVSS v3 base score is 5.3 out of 10.