CVE-2023-3955

HIGHNVD 8.88.8—

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 73.7%
KEV: Not listed

Published

October 31, 2023

Last Modified

February 13, 2025

References (6)

jordan@liggitthttps://github.com/kubernetes/kubernetes/issues/119595
jordan@liggitthttps://groups.google.com/g/kubernetes-security-announce/c/JrX4bb7d83E
jordan@liggitthttps://security.netapp.com/advisory/ntap-20231221-0002/
af854a3a-2127-422b-91ae-364da2661108https://github.com/kubernetes/kubernetes/issues/119595
af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/g/kubernetes-security-announce/c/JrX4bb7d83E
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231221-0002/

Vendor Advisories for CVE-2023-3955(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

RHSA-2023:7515
Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift for Windows Containers 9.0.0 security update

Patch Availability(5)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	openshift4-wincw/windows-machine-config-rhel9-operator:9.0.0-105	2023-11-27	redhat
redhat	openshift4-wincw/windows-machine-config-rhel9-operator:8.0.2-9	2023-08-30	redhat
redhat	openshift4-wincw/windows-machine-config-rhel8-operator:5.1.2-3	2023-08-29	redhat
redhat	openshift4-wincw/windows-machine-config-rhel8-operator:7.1.1-9	2023-08-28	redhat
redhat	openshift4-wincw/windows-machine-config-rhel8-operator:6.0.2-5	2023-08-28	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(2 across 1 ecosystem)

Go(2)

Package	Vulnerable range	Fixed in	Dependents
k8s.io/kubernetes	—	1.28.1	—
k8s.io/mount-utils	—	0.28.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Additional Vendor Advisories

(4)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 14:45 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-3955?

CVE-2023-3955 is a high vulnerability published on October 31, 2023. 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.

When was CVE-2023-3955 disclosed?

CVE-2023-3955 was first published in the National Vulnerability Database on October 31, 2023, with the most recent update on February 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-3955 actively exploited?

CVE-2023-3955 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-3955?

CVE-2023-3955 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-3955?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3955, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-3955

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CVE-2023-3955

Published

Last Modified

References (6)

Vendor Advisories for CVE-2023-3955(1)

Patch Availability(5)

Affected Packages

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-3955?

Same vendor

Same CWE

CVE-2023-3955

📅 Published

🔄 Last Modified

🔗 References (6)

📣 Vendor Advisories for CVE-2023-3955(1)

Patch Availability(5)

Affected Packages

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-3955?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (6)

Vendor Advisories for CVE-2023-3955(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)