Is CVE-2023-2431 in the CISA KEV catalog?

No. CVE-2023-2431 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-2431?

CVE-2023-2431 has a CVSS v3 base score of 3.4 (LOW).

What is the EPSS score for CVE-2023-2431?

CVE-2023-2431 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-2431?

Upgrade kubernetes on debian 11 to 1.20.5+really1.20.2-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-2431

LOW

3.4

CVSS v3

NVD

Description

A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Remediation Available

kubernetesDebian

Fixed in:1.20.5+really1.20.2-1CVE-2023-2431

openshift4-wincw/windows-machine-configRed Hat / RHEL

Fixed in:operator-bundle@sha256:ee24ac6ea9ba7c1067327d66b421815f88acff31165e07256de322bd02df4910_amd64RHSA-2023:6156

Fixed in:rhel9-operator@sha256:6238c841ed9684453ac6167a666269e16175d724fd3a7c34b230dbf7244932de_amd64RHSA-2023:6156

openshift4-wincw/windows-machine-configRocky

Fixed in:operator-bundle@sha256:ee24ac6ea9ba7c1067327d66b421815f88acff31165e07256de322bd02df4910_amd64RHSA-2023:6156

Fixed in:rhel9-operator@sha256:6238c841ed9684453ac6167a666269e16175d724fd3a7c34b230dbf7244932de_amd64RHSA-2023:6156

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

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Issue Tracking1

github.com

Mailing List2

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-1287 (Improper Validation of Specified Type of Input) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4879	Critical	9.8	100%	KEV	-
CVE-2022-31007	Medium	4.9	26%	-	Fix
CVE-2024-6298	Critical	10.0	19%	-	-
CVE-2026-25639	High	7.5	2.6%	-	Fix
CVE-2021-43802	Critical	9.9	2.0%	-	Fix
CVE-2024-51550	Critical	10.0	1.8%	-	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 2024-12-12.