Is CVE-2021-31168 in the CISA KEV catalog?

No. CVE-2021-31168 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31168?

CVE-2021-31168 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-31168?

CVE-2021-31168 has an EPSS score of 0.98% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-31168?

Install KB5003173 for Windows 10 Version 2004. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-31168

HIGH

7.8

CVSS v3

NVD

Description

Windows Container Manager Service Elevation of Privilege Vulnerability

CWE-269Improper Privilege Management

How to fix

Remediation Available

Windows 10 Version 2004Windows

Install:KB5003173Microsoft

Windows 10 Version 20H2Windows

Install:KB5003173Microsoft

Windows Server, version 2004 (Server Core installation)Windows

Install:KB5003173Microsoft

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

Install:KB5003173Microsoft

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.98%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

Third-Party Advisory1

packetstormsecurity.com

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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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.