FKIE_CVE-2021-30943

Vulnerability from fkie_nvd - Published: 2021-08-24 19:15 - Updated: 2024-11-21 06:05
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
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.
References
product-security@apple.comhttps://support.apple.com/en-us/HT212975
product-security@apple.comhttps://support.apple.com/en-us/HT212976
product-security@apple.comhttps://support.apple.com/en-us/HT212978
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212975
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212976
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212978
Impacted products
Vendor Product Version
apple ipados *
apple iphone_os *
apple macos *
apple watchos *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CCE4E546-A0DD-4E9E-A6B9-C19B04D77466",
              "versionEndExcluding": "15.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7FB904C1-43D1-4583-8729-5D1B1746A54C",
              "versionEndExcluding": "15.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1508CC50-3BED-474C-8F47-EA17795A5CAA",
              "versionEndExcluding": "12.1",
              "versionStartIncluding": "12.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7A7245FB-6FBE-4C09-80F5-18504CA623B3",
              "versionEndExcluding": "8.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 gesti\u00f3n de la pertenencia a grupos con una l\u00f3gica mejorada. Este problema se ha solucionado en iOS 15.2 y iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1. Un usuario malintencionado podr\u00eda abandonar un grupo de mensajes pero seguir recibiendo mensajes en ese grupo"
    }
  ],
  "id": "CVE-2021-30943",
  "lastModified": "2024-11-21T06:05:00.850",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "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": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-24T19:15:21.267",
  "references": [
    {
      "source": "product-security@apple.com",
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://support.apple.com/en-us/HT212975"
    },
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      "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"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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  • 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.