CVE-2024-21853

MEDIUMNVD 4.74.7—

4.7

Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.

CVSS v3: 4.7
EG Score: 4.7(medium)
EPSS: 9.8%
KEV: Not listed

Published

November 13, 2024

Last Modified

April 15, 2026

References (2)

secure@intelhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01101.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/12/msg00024.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	intel-microcode (3.20241112.0ubuntu0.22.04.1) @ jammy	2026-05-21	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1245

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-7149-1MEDIUM
Intel Microcode vulnerabilities

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-21 22:42 UTCepss_batch

Frequently asked(5)

What is CVE-2024-21853?

CVE-2024-21853 is a medium vulnerability published on November 13, 2024. Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.

When was CVE-2024-21853 disclosed?

CVE-2024-21853 was first published in the National Vulnerability Database on November 13, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-21853 actively exploited?

CVE-2024-21853 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-21853?

CVE-2024-21853 has a CVSS v3 base score of 4.7 (NVD).

How do I remediate CVE-2024-21853?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21853, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-21853

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