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CVE-2021-25433

Estado: ModificadaMedia (5.5)—

Improper authorization vulnerability in Tizen factory reset policy prior to Firmware update JUL-2021 Release allows untrusted applications to perform factory reset using dbus signal.

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)

Linux — Tizen

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25433",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "mobile.security@samsung.com",
      "affectedData": [
        {
          "vendor": "Samsung Mobile",
          "product": "Tizen wearable devices",
          "versions": [
            {
              "status": "affected",
              "version": "Tizen 5.5",
              "lessThan": "Firmware update JUL-2021 Release",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-08T14:15:08.587",
  "references": [
    {
      "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "mobile.security@samsung.com"
    },
    {
      "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "mobile.security@samsung.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper authorization vulnerability in Tizen factory reset policy prior to Firmware update JUL-2021 Release allows untrusted applications to perform factory reset using dbus signal."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de autorización inapropiada en la política de restablecimiento de fábrica de Tizen anterior a la actualización del firmware JUL-2021 Release,, permite que aplicaciones no confiables lleven a cabo el restablecimiento de fábrica usando la señal dbus"
    }
  ],
  "lastModified": "2026-06-17T03:42:04.587",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:tizen:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B8A186D7-A9F7-4D4B-9D4F-F3C239695EE9",
              "versionEndExcluding": "5.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "mobile.security@samsung.com"
}