FKIE_CVE-2020-8140

Vulnerability from fkie_nvd - Published: 2020-03-20 21:15 - Updated: 2026-06-17 03:25
Severity
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.
References
support@hackerone.comhttps://hackerone.com/reports/633266Exploit, Third Party Advisory
support@hackerone.comhttps://nextcloud.com/security/advisory/?id=NC-SA-2020-016Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/633266Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://nextcloud.com/security/advisory/?id=NC-SA-2020-016Broken Link, Vendor Advisory
Impacted products
Vendor Product Version
nextcloud desktop *
apple macos -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Desktop Client",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in 2.6.3"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "45885194-7341-4F4B-97B5-3E5585519F45",
              "versionEndExcluding": "2.6.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment."
    },
    {
      "lang": "es",
      "value": "Una inyecci\u00f3n de c\u00f3digo en Nextcloud Desktop Client versi\u00f3n 2.6.2 para macOS, permite cargar c\u00f3digo arbitrario cuando se inicia el cliente con DYLD_INSERT_LIBRARIES establecido en el entorno."
    }
  ],
  "id": "CVE-2020-8140",
  "lastModified": "2026-06-17T03:25:55.800",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-03-20T21:15:17.737",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/633266"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-016"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/633266"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-016"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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