Is CVE-2022-21894 in the CISA KEV catalog?

No. CVE-2022-21894 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21894?

CVE-2022-21894 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2022-21894?

CVE-2022-21894 has an EPSS score of 6.57% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21894?

Install KB5009585 for Windows 10. Fixes are available for 21 affected products.

CVE & CISA-KEV Catalog

CVE-2022-21894

MEDIUMEPSS 93th pctl

4.4

CVSS v3

NVD

Description

Secure Boot Security Feature Bypass Vulnerability

CWE-863Incorrect Authorization

How to fix

Remediation Available

Windows 10Windows

Install:KB5009585Microsoft

Windows 10 Version 1607Windows

Install:KB5009546Microsoft

Windows 10 Version 1809Windows

Install:KB5009557Microsoft

Windows 10 Version 1909Windows

Install:KB5009545Microsoft

Windows 10 Version 20H2Windows

Install:KB5009543Microsoft

Windows 10 Version 21H1Windows

Install:KB5009543Microsoft

Windows 10 Version 21H2Windows

Install:KB5009543Microsoft

Windows 11 version 21H2Windows

Install:KB5009566Microsoft

Windows 8.1Windows

Install:KB5009624Microsoft

Install:KB5009595Microsoft

Windows RT 8.1Windows

Install:KB5009624

Windows Server 2012Windows

Install:KB5009619Microsoft

Install:KB5009586Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5009586Microsoft

Install:KB5009619Microsoft

Windows Server 2012 R2Windows

Install:KB5009595Microsoft

Install:KB5009624Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5009624Microsoft

Install:KB5009595Microsoft

Windows Server 2016Windows

Install:KB5009546Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5009546Microsoft

Windows Server 2019Windows

Install:KB5009557Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5009557Microsoft

Windows Server 2022Windows

Install:KB5009555Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5009555Microsoft

Windows Server, version 20H2 (Server Core Installation)Windows

Install:KB5009543Microsoft

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 VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

6.57%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Other references2

Embed a live status badge for CVE-2022-21894

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.