« Volver al listado

CVE-2020-29563

Estado: ModificadaCrítica (9.8)—

An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to gain access to the device.

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)

Westerndigital — MY Cloud OS 5

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-29563",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-12-12T00:15:12.017",
  "references": [
    {
      "url": "https://www.westerndigital.com/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1446/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.westerndigital.com/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1446/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to gain access to the device."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en dispositivos Western Digital My Cloud OS versión 5 anteriores a 5.07.118. Una vulnerabilidad de omisión de autenticación de administrador del NAS podría permitir a un usuario no autenticado conseguir acceso al dispositivo"
    }
  ],
  "lastModified": "2026-06-17T03:11:26.207",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FBDE9863-D599-4D59-8328-4301C47BA3E9",
              "versionEndExcluding": "5.07.118"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "5A581EBA-A1F2-4ABC-8183-29973A46FA43"
            },
            {
              "criteria": "cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "B78030F0-6655-4604-9D16-2FA1F3FD52FF"
            },
            {
              "criteria": "cpe:2.3:h:westerndigital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "5695E842-1561-4A4F-901F-6EC07F558989"
            },
            {
              "criteria": "cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "BF58260B-2131-402C-A9DA-67B188136DE1"
            },
            {
              "criteria": "cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "CB0C2FD9-4792-4DA2-9698-E53109A499EC"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}