vde-2022-052

{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      },
      {
        "organization": "Bishoy Roufael",
        "summary": "reporting"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "Up until October 5th, 2022 the ease2pay API used by Miele's \"AppWash\" MobileApp was vulnerable to an authorization bypass. A low privileged, remote attacker would have been able to gain read and partial write access to other users data by modifying a small part of a HTTP request sent to the API. Reading or changing the password of another user was not possible, thus no impact to Availability.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "The evaluation of the log files by ease2pay did not show any sign of actual exploitation of the vulnerability, extraction of data or misuse.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "The ease2pay cloud service used by appWash was fixed on 05.10.2022. The tokens used for session authentication were changed to a secure state of the art solution. All affected tokens have been invalidated and new tokens were issued.\nTherefore, no actions have to be taken by the users.",
        "title": "Remediation"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@miele.com",
      "name": "Miele & Cie KG",
      "namespace": "https://www.miele.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "VDE-2022-052: Miele: Vulnerability in ease2pay cloud service used by appWash - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2022-052/"
      },
      {
        "category": "self",
        "summary": "VDE-2022-052: Miele: Vulnerability in ease2pay cloud service used by appWash - CSAF",
        "url": "https://miele.csaf-tp.certvde.com/.well-known/csaf/white/2022/vde-2022-052.json"
      },
      {
        "category": "external",
        "summary": "Vendor PSIRT",
        "url": "https://www.miele.com"
      },
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Miele & Cie KG",
        "url": "https://certvde.com/en/advisories/vendor/miele/"
      }
    ],
    "title": "Miele: Vulnerability in ease2pay cloud service used by appWash",
    "tracking": {
      "aliases": [
        "VDE-2022-052"
      ],
      "current_release_date": "2022-11-21T09:00:00.000Z",
      "generator": {
        "date": "2025-05-05T12:10:12.123Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.24"
        }
      },
      "id": "VDE-2022-052",
      "initial_release_date": "2022-11-21T09:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-11-21T09:00:00.000Z",
          "number": "1",
          "summary": "Initial revision."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version_range",
                    "name": "vers:all/*",
                    "product": {
                      "name": "appWash by Miele vers:all/*",
                      "product_id": "CSAFPID-51001"
                    }
                  }
                ],
                "category": "product_name",
                "name": "appWash by Miele"
              }
            ],
            "category": "product_family",
            "name": "Software"
          }
        ],
        "category": "vendor",
        "name": "Miele"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-3589",
      "cwe": {
        "id": "CWE-639",
        "name": "Authorization Bypass Through User-Controlled Key"
      },
      "notes": [
        {
          "category": "description",
          "text": "An API Endpoint used by Miele's \"AppWash\" MobileApp in all versions was vulnerable to an authorization bypass. A low privileged, remote attacker would have been able to gain read and partial write access to other users data by modifying a small part of a HTTP request sent to the API. Reading or changing the password of another user was not possible, thus no impact to Availability.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-51001"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "The ease2pay cloud service used by appWash was fixed on 05.10.2022. The tokens used for session authentication were changed to a secure state of the art solution. All affected tokens have been invalidated and new tokens were issued.\nTherefore, no actions have to be taken by the users.",
          "product_ids": [
            "CSAFPID-51001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 8.1,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 8.1,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001"
          ]
        }
      ],
      "title": "CVE-2022-3589"
    }
  ]
}