Is CVE-2023-32021 in the CISA KEV catalog?

No. CVE-2023-32021 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-32021?

CVE-2023-32021 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2023-32021?

CVE-2023-32021 has an EPSS score of 1.20% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-32021?

Install KB5027282 for Windows Server 2012 R2. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2023-32021

HIGH

7.1

CVSS v3

NVD

Description

Windows SMB Witness Service Security Feature Bypass Vulnerability

How to fix

Remediation Available

Windows Server 2012 R2Windows

Install:KB5027282Microsoft

Install:KB5027271Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5027282Microsoft

Install:KB5027271Microsoft

Windows Server 2016Windows

Install:KB5027219Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5027219Microsoft

Windows Server 2019Windows

Install:KB5027222Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5027222Microsoft

Windows Server 2022Windows

Install:KB5027319Microsoft

Install:KB5027225Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5027319Microsoft

Install:KB5027225Microsoft

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

ConfidentialityNone

IntegrityLow

AvailabilityHigh

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

Exploit Intelligence

1.20%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Patch1

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.