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AppleCVE-2021-30868

HistoryAug 24, 2021 - 7:15 p.m.

CVE-2021-30868

2021-08-2419:15:15

CWE-362

apple

web.nvd.nist.gov

cve-2021-30868

race condition

locking

macos

monterey

big sur

security

kernel privileges

nvd

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

36.8%

JSON

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected configurations

Nvd

Vulners

Node

applemacosRange11.0–11.6.1

applemacosMatch12.0

VendorProductVersionCPE
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
applemacos12.0cpe:2.3:o:apple:macos:12.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	macos	*	cpe:2.3:o:apple:macos::::::::
apple	macos	12.0	cpe:2.3:o:apple:macos:12.0:::::::*

CNA Affected

[
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "12.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

support.apple.com/en-us/HT212869

support.apple.com/en-us/HT212872

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

36.8%

JSON

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