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AppleCVE-2021-30908

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

CVE-2021-30908

2021-08-2419:15:18

apple

web.nvd.nist.gov

cve-2021-30908

authentication

macos

monterey

big sur

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:N/A:N

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.3

Confidence

Low

EPSS

0.001

Percentile

23.5%

JSON

An authentication issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. A local attacker may be able to view the previous logged-in user’s desktop from the fast user switching screen.

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

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:N/A:N

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.3

Confidence

Low

EPSS

0.001

Percentile

23.5%

JSON

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