« Volver al listado

CVE-2021-26563

Estado: ModificadaMedia (6.7)—

Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.

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 (4)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-26563",
  "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": "security@synology.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@synology.com",
      "affectedData": [
        {
          "vendor": "Synology",
          "product": "DiskStation Manager (DSM)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "6.2.4-25553",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-26T22:15:20.143",
  "references": [
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_21_03",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_21_03",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@synology.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de autorización incorrecta en synoagentregisterd en Synology DiskStation Manager (DSM) antes de 6.2.4-25553 permite a los usuarios locales ejecutar código arbitrario a través de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:43:29.047",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A6EC7AE5-71BB-409F-B4CA-3EAFBF30ABC3",
              "versionEndExcluding": "6.2.4-25553"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3D0C5120-B961-440F-B454-584BC54B549C"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "1CCBDFF9-AF42-4681-879B-CF789EBAD130"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "53EF087B-D7E9-4F9A-803A-B0260C495C67"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "D0A88A76-CF8A-4D29-B480-E5317219072D"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6B04366E-B5F8-4835-B1FB-106AFD3D3785"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:synology:uc3200:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "1100D972-198E-45F9-8F04-763F6FE88377"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security@synology.com"
}