What is CVE-2024-43420?

CVE-2024-43420 is a medium-severity vulnerability in Intel Atom(r) Processors, classified under CWE-1423. CVSS score: 5.6/10. Published 2025-05-13.

How severe is CVE-2024-43420?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Is CVE-2024-43420 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Intel Atom(r) Processors

CVE-2024-43420

Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel Atom(R) processors may allow an authenticated user to potentially enable information disclosure via lo…

EPSS: 0.001 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-1423

Public proof-of-concept exploits

w4zu/Debian_

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html

Frequently asked questions

What is CVE-2024-43420?: CVE-2024-43420 is a medium-severity vulnerability in Intel Atom(r) Processors, classified under CWE-1423. CVSS score: 5.6/10. Published 2025-05-13.
How severe is CVE-2024-43420?: Medium severity. CVSS v3 base score is 5.6 out of 10.
Is CVE-2024-43420 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.