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CVE-2021-30943

Estado: ModificadaMedia (4.3)—

Se ha resuelto un problema en la gestión de la pertenencia a grupos con una lógica mejorada. Este problema se ha solucionado en iOS 15.2 y iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1. Un usuario malintencionado podría abandonar un grupo de mensajes pero seguir recibiendo mensajes en ese grupo

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 (4)

Apple — IpadosApple — Iphone OSApple — MacosApple — Watchos

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30943",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.3",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15.2",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "12.1",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-24T19:15:21.267",
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212975",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212976",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212978",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212975",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212976",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212978",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in the handling of group membership was resolved with improved logic. This issue is fixed in iOS 15.2 and iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1. A malicious user may be able to leave a messages group but continue to receive messages in that group."
    },
    {
      "lang": "es",
      "value": "Se ha resuelto un problema en la gestión de la pertenencia a grupos con una lógica mejorada. Este problema se ha solucionado en iOS 15.2 y iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1. Un usuario malintencionado podría abandonar un grupo de mensajes pero seguir recibiendo mensajes en ese grupo"
    }
  ],
  "lastModified": "2026-06-17T03:51:11.060",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CCE4E546-A0DD-4E9E-A6B9-C19B04D77466",
              "versionEndExcluding": "15.2"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7FB904C1-43D1-4583-8729-5D1B1746A54C",
              "versionEndExcluding": "15.2"
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1508CC50-3BED-474C-8F47-EA17795A5CAA",
              "versionEndExcluding": "12.1",
              "versionStartIncluding": "12.0.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A7245FB-6FBE-4C09-80F5-18504CA623B3",
              "versionEndExcluding": "8.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}