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CVE-2018-4321

Estado: ModificadaMedia (5.3)—

Existía un problema de validación en la verificación de autorización. Este problema se abordó con una validación mejorada de la autorización de procesos. Este problema afectaba a iOS en versiones anteriores a la 12, macOS Mojave en versiones anteriores a la 10.14 y tvOS en versiones anteriores a la 12.

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 (3)

Apple — Iphone OSApple — MAC OS XApple — Tvos

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-4321",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "iOS, macOS, tvOS",
          "versions": [
            {
              "status": "affected",
              "version": "Versions prior to: iOS 12, macOS Mojave 10.14, tvOS 12"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-04-03T18:29:07.643",
  "references": [
    {
      "url": "https://support.apple.com/kb/HT209106",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT209107",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT209139",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT209106",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/kb/HT209107",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/kb/HT209139",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12."
    },
    {
      "lang": "es",
      "value": "Existía un problema de validación en la verificación de autorización. Este problema se abordó con una validación mejorada de la autorización de procesos. Este problema afectaba a iOS en versiones anteriores a la 12, macOS Mojave en versiones anteriores a la 10.14 y tvOS en versiones anteriores a la 12."
    }
  ],
  "lastModified": "2026-06-17T01:58:47.070",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "37A59AD6-A000-48BE-A575-D1A39DCB0D88",
              "versionEndExcluding": "12.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1E2491B4-5132-44CF-AB9A-FAC1926FE66E",
              "versionEndExcluding": "10.14"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "072DC7F5-B539-478D-B566-7F3FF2BC2671",
              "versionEndExcluding": "12"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}