Is CVE-2024-20666 in the CISA KEV catalog?

No. CVE-2024-20666 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-20666?

CVE-2024-20666 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2024-20666?

CVE-2024-20666 has an EPSS score of 3.08% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-20666?

Install KB5034134 for Windows 10. Fixes are available for 15 affected products.

CVE & CISA-KEV Catalog

CVE-2024-20666

MEDIUMEPSS 86th pctl

6.6

CVSS v3

NVD

Description

BitLocker Security Feature Bypass Vulnerability

CWE-20Improper Input Validation

How to fix

Remediation Available

Windows 10Windows

Install:KB5034134Microsoft

Windows 10 Version 1607Windows

Install:KB5034119Microsoft

Windows 10 Version 1809Windows

Install:KB5034127Microsoft

Windows 10 Version 21H2Windows

Install:KB5034122Microsoft

Windows 10 Version 22H2Windows

Install:KB5034122Microsoft

Windows 11 Version 22H2Windows

Install:KB5034123Microsoft

Windows 11 Version 23H2Windows

Install:KB5034123Microsoft

Windows 11 version 21H2Windows

Install:KB5034121Microsoft

Windows Server 2016Windows

Install:KB5034119Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5034119Microsoft

Windows Server 2019Windows

Install:KB5034127Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5034127Microsoft

Windows Server 2022Windows

Install:KB5034129Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5034129Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5034130Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.08%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2024-20666

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.