CVE-2023-3893

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "csi-proxy", "repo": "https://github.com/kubernetes-csi/csi-proxy", "vendor": "Kubernetes", "versions": [{"status": "affected", "version": "v2.0.0-alpha.0"}, {"lessThanOrEqual": "v1.1.2", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "v2.0.0-alpha.1"}, {"status": "unaffected", "version": "v1.1.3"}]}], "source": "jordan@liggitt.net"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kubernetes:csi_proxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "1A1845E5-AD91-4083-8836-4C0E4547C5A4", "versionEndIncluding": "1.1.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:kubernetes:csi_proxy:2.0.0:alpha0:*:*:*:*:*:*", "matchCriteriaId": "2DE6A409-1AFC-4F71-B2C5-617DF484C393", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security issue was discovered in Kubernetes where a user that can \ncreate pods on Windows nodes running kubernetes-csi-proxy may be able to\n escalate to admin privileges on those nodes. Kubernetes clusters are \nonly affected if they include Windows nodes running \nkubernetes-csi-proxy."}, {"lang": "es", "value": "Se descubri\u00f3 un problema de seguridad en Kubernetes donde un usuario que puede crear pods en nodos de Windows que ejecutan kubernetes-csi-proxy puede escalar a privilegios de administrador en esos nodos. Los cl\u00fasteres de Kubernetes solo se ven afectados si incluyen nodos de Windows que ejecutan kubernetes-csi-proxy."}], "id": "CVE-2023-3893", "lastModified": "2026-06-17T06:15:15.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "jordan@liggitt.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-03T18:15:08.623", "references": [{"source": "jordan@liggitt.net", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://github.com/kubernetes/kubernetes/issues/119594"}, {"source": "jordan@liggitt.net", "tags": ["Mailing List"], "url": "https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ"}, {"source": "jordan@liggitt.net", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20231221-0004/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://github.com/kubernetes/kubernetes/issues/119594"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20231221-0004/"}], "sourceIdentifier": "jordan@liggitt.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "jordan@liggitt.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kubernetes: Insufficient input sanitization on kubernetes CSI proxy leads to privilege escalation", "id": "2227129", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2227129"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-269", "details": ["A security issue was discovered in Kubernetes where a user that can \ncreate pods on Windows nodes running kubernetes-csi-proxy may be able to\nescalate to admin privileges on those nodes. Kubernetes clusters are \nonly affected if they include Windows nodes running \nkubernetes-csi-proxy.", "A vulnerability was found in Kubernetes. This flaw allows a user who can create pods on Windows nodes running kubernetes-csi-proxy to escalate to admin privileges on those nodes."], "name": "CVE-2023-3893", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4-wincw/windows-machine-config-rhel8-operator", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2023-08-23T13:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3893\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3893"], "statement": "Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy. Any Kubernetes environment with Windows nodes that are running kubernetes-csi-proxy is impacted. This is a common default configuration on Windows nodes. Run kubectl get nodes -l kubernetes.io/os=windows to see if any Windows nodes are in use.", "threat_severity": "Important"}

{}