Is CVE-2022-21984 in the CISA KEV catalog?

No. CVE-2022-21984 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21984?

CVE-2022-21984 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-21984?

CVE-2022-21984 has an EPSS score of 4.80% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21984?

Install KB5010345 for Windows 10 Version 1909. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2022-21984

HIGHEPSS 91th pctl

8.8

CVSS v3

NVD

Description

Windows DNS Server Remote Code Execution Vulnerability

How to fix

Remediation Available

Windows 10 Version 1909Windows

Install:KB5010345Microsoft

Windows 10 Version 20H2Windows

Install:KB5010342Microsoft

Windows 10 Version 21H1Windows

Install:KB5010342Microsoft

Windows 10 Version 21H2Windows

Install:KB5010342Microsoft

Windows 11 version 21H2Windows

Install:KB5010386Microsoft

Windows Server 2022Windows

Install:KB5010354Microsoft

Install:KB5010456

Windows Server 2022 (Server Core installation)Windows

Install:KB5010456

Install:KB5010354Microsoft

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

Install:KB5010342Microsoft

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.80%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Other references1

msrc.microsoft.com

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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.