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CVE-2020-27569

Estado: ModificadaAlta (7.5)—

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system.

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)

Aviatrix — Openvpn

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-27569",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-21T22:15:17.987",
  "references": [
    {
      "url": "https://docs.aviatrix.com/HowTos/security_bulletin_article.html#openvpn-abitrary-file-write",
      "tags": [
        "Not Applicable",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.aviatrix.com/HowTos/security_bulletin_article.html#openvpn-abitrary-file-write",
      "tags": [
        "Not Applicable",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system."
    },
    {
      "lang": "es",
      "value": "Se presenta una Escritura de Archivos Arbitraria en Aviatrix VPN Client versiones 2.8.2 y anteriores. El servicio VPN escribe registros en una ubicación que es de tipo world writable y puede ser aprovechado para conseguir acceso de escritura a cualquier archivo del sistema"
    }
  ],
  "lastModified": "2026-06-17T03:09:18.873",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:aviatrix:openvpn:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48369C5A-F349-438C-8FBE-AA24CF2352E7",
              "versionEndIncluding": "2.8.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}