CVE-2023-3955

highpriority · track · 36EPSS 0.040 · 90 %ileDEEUFRRUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
4.00% (90th) EPSS
CVSS 8.8 · high
Is it mine?
46 products
Check your exposure
Who says so?
8 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedopenshift4-wincw/windows-machine-config-rhel8-operator@sha256:e3938425061488710618f093d94715a8ec9787135fb988a25d313a1642b4d1db_amd64 as a component of Red Hat OpenShift Container Platform 4.12redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2023:4777
  • Fixedopenshift4-wincw/windows-machine-config-rhel8-operator@sha256:bb7f3f8760a1a092a343423164c2ed9dbd8b346e86153aa849b667d17ec3c31e_amd64 as a component of Red Hat OpenShift Container Platform 4.11redhat_csaf

    For Windows Machine Config Operator upgrades, see the following documentation: https://docs.openshift.com/container-platform/latest/windows_containers/windows-node-upgrades.html

    https://access.redhat.com/errata/RHSA-2023:4780
  • Fixedopenshift4-wincw/windows-machine-config-rhel8-operator@sha256:f843bc7006b479794fa7fedd7361a65c19aaf3b6ca0e3feb67ac9edf41ab446e_amd64 as a component of Red Hat OpenShift Container Platform 4.10redhat_csaf

    For Windows Machine Config Operator upgrades, see the following documentation: https://docs.openshift.com/container-platform/latest/windows_containers/windows-node-upgrades.html

    https://access.redhat.com/errata/RHSA-2023:4835
  • Fixedopenshift4-wincw/windows-machine-config-rhel9-operator@sha256:d62c040e75416b749852184604f7475976e57b2b6f1b6c37a40f38ab74d4888e_amd64 as a component of Red Hat OpenShift Container Platform 4.13redhat_csaf

    For Windows Machine Config Operator upgrades, see the following documentation: https://docs.openshift.com/container-platform/latest/windows_containers/windows-node-upgrades.html

    https://access.redhat.com/errata/RHSA-2023:4885
02

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · jordan@liggitt.netexploitability 2.8 · impact 5.9
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20USCWE-269USCWE-269US
05

affected products (46)

Products and version ranges known to be affected.

showing 20 of 46
06

advisories (10)

Vendor and ecosystem advisories describing this.

  • RHSA-2023:4777Red Hat Security Advisory: Red Hat OpenShift support for Windows Containers 7.1.1 security update2023-08-28csaf · redhat_csafUS

    The components for Red Hat OpenShift support for Windows Containers 7.1.1 are now available. This product release includes bug fixes and security updates for the following packages: windows-machine-config-operator and windows-machine-config-operator-bundle. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2023:4780Red Hat Security Advisory: Red Hat OpenShift support for Windows Containers 6.0.2 security update2023-08-28csaf · redhat_csafUS

    The components for Red Hat OpenShift support for Windows Containers 6.0.2 are now available. This product release includes bug fixes and security updates for the following packages: windows-machine-config-operator and windows-machine-config-operator-bundle. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2023:4835Red Hat Security Advisory: Red Hat OpenShift support for Windows Containers 5.1.2 security update2023-08-29csaf · redhat_csafUS

    The components for Red Hat OpenShift support for Windows Containers 5.1.2 are now available. This product release includes bug fixes and security updates for the following packages: windows-machine-config-operator and windows-machine-config-operator-bundle. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2023:4885Red Hat Security Advisory: Red Hat OpenShift support for Windows Containers 8.0.2 security update2023-08-30csaf · redhat_csafUS

    The components for Red Hat OpenShift support for Windows Containers 8.0.2 are now available. This product release includes bug fixes and security updates for the following packages: windows-machine-config-operator and windows-machine-config-operator-bundle. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • WID-SEC-W-2023-2163Kubernetes: Mehrere SchwachstellenDeutsch2023-08-23csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Kubernetes ausnutzen, um seine Privilegien zu erhöhen.

  • GHSA-q78c-gwqw-jcmcKubernetes privilege escalation vulnerability2023-10-31ghsa · osvUS

    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.

  • CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
  • CGA-62jq-8hgq-c9rv2024-06-06vendor · osvUS
  • CGA-j47h-3qf8-25gj2024-06-06vendor · osvUS
  • GO-2023-2170Insufficient input sanitization on Windows nodes leads to privilege escalation in k8s.io/kubernetes and k8s.io/mount-utils2024-08-21vendor · osvUS

    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.

07

also known as (9)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundnvdredhat_csafcertfrNVDCVE.orgMITRE
published 2023-10-31modified 2026-06-17
10

references (14)

External citations — patches, advisories, analysis.

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