{
  "id": "CVE-2021-35936",
  "sourceIdentifier": "security@apache.org",
  "published": "2021-08-16T08:15:11.530",
  "lastModified": "2022-10-07T20:22:24.763",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "If remote logging is not used, the worker (in the case of CeleryExecutor) or the scheduler (in the case of LocalExecutor) runs a Flask logging server and is listening on a specific port and also binds on 0.0.0.0 by default. This logging server had no authentication and allows reading log files of DAG jobs. This issue affects Apache Airflow < 2.1.2."
    },
    {
      "lang": "es",
      "value": "Si no es usado el registro remoto, el trabajador (en el caso de CeleryExecutor) o el planificador (en el caso de LocalExecutor) ejecuta un servidor de registro Flask y est\u00e1 escuchando en un puerto espec\u00edfico y tambi\u00e9n se vincula en 0.0.0.0 por defecto. Este servidor de registro no presenta autenticaci\u00f3n y permite leer los archivos de registro de los trabajos DAG. Este problema afecta a Apache Airflow versiones anteriores a 2.1.2."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    },
    {
      "source": "security@apache.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.1.2",
              "matchCriteriaId": "410C1DAD-EE40-4F94-8DF6-25B94961F5FD"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://lists.apache.org/thread.html/r53d6bd7b0a66f92ddaf1313282f10fec802e71246606dd30c16536df%40%3Cusers.airflow.apache.org%3E",
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ]
    }
  ]
}