FKIE_CVE-2020-13637

Vulnerability from fkie_nvd - Published: 2020-06-17 17:15 - Updated: 2026-06-17 02:53
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An issue was discovered in the stashcat app through 3.9.2 for macOS, Windows, Android, iOS, and possibly other platforms. It stores the client_key, the device_id, and the public key for end-to-end encryption in cleartext, enabling an attacker (by copying or having access to the local storage database file) to login to the system from any other computer, and get unlimited access to all data in the users's context.
References
cve@mitre.orghttp://www.jvanlaak.de/stashcat.htmlThird Party Advisory
cve@mitre.orghttp://www.jvanlaak.de/stashcat_CWE_312_200527.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.jvanlaak.de/stashcat.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.jvanlaak.de/stashcat_CWE_312_200527.pdfThird Party Advisory
Impacted products
Vendor Product Version
heinekingmedia stashcat *
heinekingmedia stashcat *
heinekingmedia stashcat *
heinekingmedia stashcat *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "84B3D363-615C-4E9C-B203-4C5E7623DAC9",
              "versionEndIncluding": "3.9.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "F8A539DA-EEB9-42EA-AE13-2D561E312624",
              "versionEndIncluding": "3.9.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:macos:*:*",
              "matchCriteriaId": "32FBB669-B311-4369-8858-C9732AD87446",
              "versionEndIncluding": "3.9.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "E2C9C9CB-68DB-44BC-AA8E-C03DBC9F82C4",
              "versionEndIncluding": "3.9.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the stashcat app through 3.9.2 for macOS, Windows, Android, iOS, and possibly other platforms. It stores the client_key, the device_id, and the public key for end-to-end encryption in cleartext, enabling an attacker (by copying or having access to the local storage database file) to login to the system from any other computer, and get unlimited access to all data in the users\u0027s context."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en la aplicaci\u00f3n stashcat versiones hasta 3.9.2 para macOS, Windows, Android, iOS y posiblemente otras plataformas. Almacena la clave del cliente, el ID del dispositivo y la clave p\u00fablica para el cifrado de extremo a extremo en texto sin cifrar, permitiendo a un atacante (copiando o teniendo acceso al archivo de la base de datos de almacenamiento local) iniciar sesi\u00f3n en el sistema desde cualquier otra computadora y obtener acceso ilimitado a todos los datos en el contexto de los usuarios"
    }
  ],
  "id": "CVE-2020-13637",
  "lastModified": "2026-06-17T02:53:29.147",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-06-17T17:15:10.550",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.jvanlaak.de/stashcat.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.jvanlaak.de/stashcat_CWE_312_200527.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.jvanlaak.de/stashcat.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.jvanlaak.de/stashcat_CWE_312_200527.pdf"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-312"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.