« Volver al listado

CVE-2021-30857

Estado: ModificadaAlta (7)—

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

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 (6)

Apple — IpadosApple — Iphone OSApple — MAC OS XApple — MacosApple — TvosApple — Watchos

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30857",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "11.6",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2021",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "14.8",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-24T19:15:14.167",
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212804",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212805",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212807",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212814",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212815",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212819",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212804",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212805",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212807",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212814",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212815",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212819",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges."
    },
    {
      "lang": "es",
      "value": "Se abordó una condición de carrera con un bloqueo mejorado. Este problema se corrigió en Security Update 2021-005 Catalina, iOS versión 14.8 y iPadOS versión 14.8, tvOS versión 15, iOS versión 15 y iPadOS versión 15, watchOS versión 8, macOS Big Sur versión 11.6. Una aplicación maliciosa puede ser capaz de ejecutar código arbitrario con privilegios del kernel"
    }
  ],
  "lastModified": "2026-06-17T03:51:01.363",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "090FB24C-D685-4422-A936-821B30F9655D",
              "versionEndExcluding": "15.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A5354DEB-CF04-4795-8D90-E280F0A859CA",
              "versionEndExcluding": "15.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF8C1CB5-DACB-449C-9E07-E477142C589F",
              "versionEndExcluding": "10.15.7"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A654B8A2-FC30-4171-B0BB-366CD7ED4B6A"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F1F4BF7F-90D4-4668-B4E6-B06F4070F448"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0F441A43-1669-478D-9EC8-E96882DE4F9F"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D425C653-37A2-448C-BF2F-B684ADB08A26"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A54D63B7-B92B-47C3-B1C5-9892E5873A98"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3456176F-9185-4EE2-A8CE-3D989D674AB7"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F"
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1C416CDE-C6B5-4F68-8095-A4657F64C370",
              "versionEndExcluding": "11.6",
              "versionStartIncluding": "11.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B32A978E-673C-421D-93A1-CA84D90B67E4",
              "versionEndExcluding": "15.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5364285F-B3F2-465B-B738-2FC1C8913A44",
              "versionEndExcluding": "8.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}