CVE & CISA-KEV Catalog

CVE-2023-3955

HIGHEPSS 87th pctl
8.8
CVSS v3
NVD

Description

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.

CWE-20Improper Input Validation

How to fix

Remediation Available
kubernetesDebian
Fixed in:1.20.5+really1.20.2-1CVE-2023-3955
Fixed in:1.20.5+really1.20.2-1CVE-2023-3955
Fixed in:1.20.5+really1.20.2-1CVE-2023-3955
Fixed in:1.20.5+really1.20.2-1CVE-2023-3955
openshift4-wincw/windows-machine-configRed Hat / RHEL
Fixed in:operator-bundle@sha256:d45504b2b477258f723c3c91a353e1100c9679a67730911f87225da7dd76230f_amd64RHSA-2023:7515
Fixed in:rhel9-operator@sha256:ae6b81b631c16ae515ef4adb40159669a8051a670d88d7b762ff56ae6e09031c_amd64RHSA-2023:7515
Fixed in:operator-bundle@sha256:4c7a13c2c4e3bd3bf1827cd2182ac5c20587e4f214c62c7ff08cc3067433229f_amd64RHSA-2023:4777
Fixed in:rhel8-operator@sha256:e3938425061488710618f093d94715a8ec9787135fb988a25d313a1642b4d1db_amd64RHSA-2023:4777
Fixed in:operator-bundle@sha256:818d1cacc1152020239e0234e6d350bc4394ffc7de2ebfec579b460b35d7d69d_amd64RHSA-2023:4780
Fixed in:operator-bundle@sha256:406e16a97699ffcfe37d9343c1008ad385f76566c07104b3500b01923e7b2e62_amd64RHSA-2023:4885
Fixed in:rhel9-operator@sha256:d62c040e75416b749852184604f7475976e57b2b6f1b6c37a40f38ab74d4888e_amd64RHSA-2023:4885
Fixed in:operator-bundle@sha256:4181beeb40fe7610006bfb4ed4f867db2754ac1c9356f422012db89833cb73ba_amd64RHSA-2023:4835
Fixed in:rhel8-operator@sha256:f843bc7006b479794fa7fedd7361a65c19aaf3b6ca0e3feb67ac9edf41ab446e_amd64RHSA-2023:4835
Fixed in:rhel8-operator@sha256:bb7f3f8760a1a092a343423164c2ed9dbd8b346e86153aa849b667d17ec3c31e_amd64RHSA-2023:4780
openshift4-wincw/windows-machine-configRocky
Fixed in:operator-bundle@sha256:d45504b2b477258f723c3c91a353e1100c9679a67730911f87225da7dd76230f_amd64RHSA-2023:7515
Fixed in:rhel9-operator@sha256:ae6b81b631c16ae515ef4adb40159669a8051a670d88d7b762ff56ae6e09031c_amd64RHSA-2023:7515
Fixed in:operator-bundle@sha256:4c7a13c2c4e3bd3bf1827cd2182ac5c20587e4f214c62c7ff08cc3067433229f_amd64RHSA-2023:4777
Fixed in:operator-bundle@sha256:406e16a97699ffcfe37d9343c1008ad385f76566c07104b3500b01923e7b2e62_amd64RHSA-2023:4885
Fixed in:rhel9-operator@sha256:d62c040e75416b749852184604f7475976e57b2b6f1b6c37a40f38ab74d4888e_amd64RHSA-2023:4885
Fixed in:operator-bundle@sha256:4181beeb40fe7610006bfb4ed4f867db2754ac1c9356f422012db89833cb73ba_amd64RHSA-2023:4835
Fixed in:rhel8-operator@sha256:f843bc7006b479794fa7fedd7361a65c19aaf3b6ca0e3feb67ac9edf41ab446e_amd64RHSA-2023:4835
Fixed in:rhel8-operator@sha256:e3938425061488710618f093d94715a8ec9787135fb988a25d313a1642b4d1db_amd64RHSA-2023:4777
Fixed in:operator-bundle@sha256:818d1cacc1152020239e0234e6d350bc4394ffc7de2ebfec579b460b35d7d69d_amd64RHSA-2023:4780
Fixed in:rhel8-operator@sha256:bb7f3f8760a1a092a343423164c2ed9dbd8b346e86153aa849b667d17ec3c31e_amd64RHSA-2023:4780
openshift4/windows-machine-configRocky
Fixed in:operator-bundle@sha256:d45504b2b477258f723c3c91a353e1100c9679a67730911f87225da7dd76230f_amd64RHSA-2023:7515
openshift4/windows-machine-configRed Hat / RHEL
Fixed in:operator-bundle@sha256:d45504b2b477258f723c3c91a353e1100c9679a67730911f87225da7dd76230f_amd64RHSA-2023:7515

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

3.39%probability of exploitation in 30 days
87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Technical Description1
Other references1

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
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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 2025-02-13.