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CVE-2020-2023

Estado: ModificadaMedia (6.3)—

Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.

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)

Katacontainers — Runtime

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-2023",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@paloaltonetworks.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 3.8,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.3,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@paloaltonetworks.com",
      "affectedData": [
        {
          "vendor": "Kata Containers",
          "product": "Kata Containers",
          "versions": [
            {
              "status": "affected",
              "version": "1.11",
              "lessThan": "1.11.1",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "1.10",
              "lessThan": "1.10.5",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "1",
              "versionType": "custom",
              "lessThanOrEqual": "1.9"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-06-10T18:15:11.280",
  "references": [
    {
      "url": "https://github.com/kata-containers/agent/issues/791",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/agent/pull/792",
      "tags": [
        "Patch"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/runtime/issues/2488",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/runtime/pull/2477",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/runtime/pull/2487",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/runtime/releases/tag/1.10.5",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/runtime/releases/tag/1.11.1",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://github.com/kata-containers/agent/issues/791",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kata-containers/agent/pull/792",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kata-containers/runtime/issues/2488",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kata-containers/runtime/pull/2477",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kata-containers/runtime/pull/2487",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kata-containers/runtime/releases/tag/1.10.5",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kata-containers/runtime/releases/tag/1.11.1",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@paloaltonetworks.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-250"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions."
    },
    {
      "lang": "es",
      "value": "Kata Containers no restringe el acceso de los contenedores al dispositivo del sistema de archivos root del invitado. Los contenedores maliciosos pueden explotar esto para obtener la ejecución del código en el invitado y hacerse pasar por el agente de kata. Este problema afecta a: Kata Containers versiones 1.11 anteriores a 1.11.1; Kata Containers  versiones 1.10 anteriores a 1.10.5; y Kata Containers  versiones 1.9 y anteriores"
    }
  ],
  "lastModified": "2026-06-17T03:11:39.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0AB886E3-03F3-43FA-AE4F-092FA6246A31",
              "versionEndIncluding": "1.9"
            },
            {
              "criteria": "cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FD1E8DE9-C5B6-4DA0-A5B2-A6C3B38DD2B6",
              "versionEndExcluding": "1.10.5",
              "versionStartIncluding": "1.10"
            },
            {
              "criteria": "cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1358CC70-876F-4CA6-AC86-551883794212",
              "versionEndExcluding": "1.11.1",
              "versionStartIncluding": "1.11"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@paloaltonetworks.com"
}