CVE-2021-30888

Estado: ModificadaAlta (7.4)—

An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior .

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Puntuación base: 7.4

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.73%
Percentil entre todas las CVEs puntuadas: 77
Fecha de la puntuación: 7/10/2026

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 (6)

Apple — Ipad OS Apple — Ipados Apple — Iphone OS Apple — Macos Apple — Tvos Apple — Watchos

CWE

CWE-601

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2021-30888",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.4,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "14.8",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "12.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15.1",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-24T19:15:16.910",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212867",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212868",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212869",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212874",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212876",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212867",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212868",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212869",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212874",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212876",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior ."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema de filtrado de información. Este problema se corrigió en iOS versión 15.1 y iPadOS versión 15.1, macOS Monterey versión 12.0.1, iOS versión 14.8.1 y iPadOS versión 14.8.1, tvOS versión 15.1, watchOS versión 8.1. Un sitio web malicioso usando informes de política de seguridad de contenidos puede ser capaz de filtrar información por medio de un comportamiento de redirección"
    }
  ],
  "lastModified": "2026-06-17T03:51:05.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A9DB9916-6DA1-4A32-86A2-AD8DC5246709",
              "versionEndExcluding": "14.8.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6361C54F-4F5D-4624-8A1F-69DBC6AD4A69"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "54888682-EF77-4F2A-B07F-AA86B0C65717",
              "versionEndExcluding": "14.8.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A332DEC8-FB74-404E-BE6A-46DB0DEDAA59"
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "579B2A0D-A84F-45C2-B545-35ECEA3297DA",
              "versionEndExcluding": "12.0.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A76BB8B-613D-46B7-80F8-83B6EF76F344",
              "versionEndExcluding": "15.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A82F66E5-A6BF-4D7A-8DCA-DD4C35723936",
              "versionEndExcluding": "8.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}