Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-21853

16
FAUCET Score

CVE-2024-21853 describes an improper finite state machine vulnerability in the hardware logic of some 4th and 5th Generation Intel Xeon Processors. An authorized local user could exploit this with high attack complexity to potentially cause a denial of service. The vulnerability has a CVSS score of 4.7 (Medium) and is not currently listed in CISA's KEV catalog. There is no public exploit code available, nor is there any significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
N/A4th And 5th Generation Intel(R) Xeon(R) Processors
See referencesCNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 4.0

5.7MEDIUM

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 50th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: microcode_ctl
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: microcode_ctl
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: microcode_ctl
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: microcode_ctl

Vendor Advisories (1)

redhatCVE-2024-21853Moderate

kernel: microcode_ctl: From CVEorg collector

Nov 13, 2024

References

lists.debian.org / debian-lts-announce/2024/12/msg00024.html
intel.com / content/www/us/en/security-center/advisory/intel-sa-01101.html