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CVE-2023-3893

Estado: AnalizadaAlta (8.8)—

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

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Kubernetes — CSI Proxy

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-3893",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "jordan@liggitt.net",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "jordan@liggitt.net",
      "affectedData": [
        {
          "repo": "https://github.com/kubernetes-csi/csi-proxy",
          "vendor": "Kubernetes",
          "product": "csi-proxy",
          "versions": [
            {
              "status": "affected",
              "version": "v2.0.0-alpha.0"
            },
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "v1.1.2"
            },
            {
              "status": "unaffected",
              "version": "v2.0.0-alpha.1"
            },
            {
              "status": "unaffected",
              "version": "v1.1.3"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-11-03T18:15:08.623",
  "references": [
    {
      "url": "https://github.com/kubernetes/kubernetes/issues/119594",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ",
      "tags": [
        "Mailing List"
      ],
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20231221-0004/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://github.com/kubernetes/kubernetes/issues/119594",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20231221-0004/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "jordan@liggitt.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "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 descubrió 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 clústeres de Kubernetes solo se ven afectados si incluyen nodos de Windows que ejecutan kubernetes-csi-proxy."
    }
  ],
  "lastModified": "2026-06-17T06:15:15.613",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kubernetes:csi_proxy:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1A1845E5-AD91-4083-8836-4C0E4547C5A4",
              "versionEndIncluding": "1.1.2"
            },
            {
              "criteria": "cpe:2.3:a:kubernetes:csi_proxy:2.0.0:alpha0:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2DE6A409-1AFC-4F71-B2C5-617DF484C393"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "jordan@liggitt.net"
}