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PRIOn knowledge basePRION:CVE-2021-30955

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

Race condition

2021-08-2419:15:00

PRIOn knowledge base

www.prio-n.com

7 High

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

6.4 Medium

AI Score

Confidence

High

7.6 High

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

39.6%

JSON

A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

CPENameOperatorVersion
ipadoslt15.2
iphone_oslt15.2
macoslt12.1
tvoslt15.2
watchoslt8.3

Name	Operator	Version
ipados	lt	15.2
iphone_os	lt	15.2
macos	lt	12.1
tvos	lt	15.2
watchos	lt	8.3

References

support.apple.com/en-us/HT212975

support.apple.com/en-us/HT212976

support.apple.com/en-us/HT212978

support.apple.com/en-us/HT212980

7 High

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

6.4 Medium

AI Score

Confidence

High

7.6 High

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

39.6%

JSON

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