Is CVE-2023-35638 in the CISA KEV catalog?

No. CVE-2023-35638 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-35638?

CVE-2023-35638 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-35638?

CVE-2023-35638 has an EPSS score of 3.26% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-35638?

Install KB5033429 for Windows Server 2012. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2023-35638

HIGHEPSS 87th pctl

7.5

CVSS v3

NVD

Description

DHCP Server Service Denial of Service Vulnerability

CWE-126Buffer Over-read

How to fix

Remediation Available

Windows Server 2012Windows

Install:KB5033429Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5033429Microsoft

Windows Server 2012 R2Windows

Install:KB5033420Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5033420Microsoft

Windows Server 2016Windows

Install:KB5033373Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5033373Microsoft

Windows Server 2019Windows

Install:KB5033371Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5033371Microsoft

Windows Server 2022Windows

Install:KB5033464Microsoft

Install:KB5033118Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5033464Microsoft

Install:KB5033118Microsoft

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

Install:KB5033383Microsoft

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.26%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% 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.