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PRIOn knowledge basePRION:CVE-2021-1786

HistoryApr 02, 2021 - 6:15 p.m.

Code injection

2021-04-0218:15:00

PRIOn knowledge base

www.prio-n.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

Low

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.4%

JSON

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A local user may be able to create or modify system files.

CPENameOperatorVersion
ipadoslt14.4
iphone_oslt14.4
mac_os_xge10.15
mac_os_xlt10.15.7
mac_os_xge10.14
mac_os_xlt10.14.6
mac_os_xeq10.14.6
mac_os_xeq10.14.6
mac_os_xeq10.14.6
mac_os_xeq10.14.6

Name	Operator	Version
ipados	lt	14.4
iphone_os	lt	14.4
mac_os_x	ge	10.15
mac_os_x	lt	10.15.7
mac_os_x	ge	10.14
mac_os_x	lt	10.14.6
mac_os_x	eq	10.14.6
mac_os_x	eq	10.14.6
mac_os_x	eq	10.14.6
mac_os_x	eq	10.14.6

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References

support.apple.com/en-us/HT212146

support.apple.com/en-us/HT212147

support.apple.com/en-us/HT212148

support.apple.com/en-us/HT212149

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

Low

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.4%

JSON

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