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nvd[email protected]NVD:CVE-2021-30869
HistoryAug 24, 2021 - 7:15 p.m.

CVE-2021-30869

2021-08-2419:15:15
CWE-843
web.nvd.nist.gov

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

55.0%

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Affected configurations

NVD
Node
appleipadosRange<14.4
OR
appleiphone_osRange12.0–12.5.5
OR
appleiphone_osRange14.0–14.4
OR
applemac_os_xRange10.14–10.14.6
OR
applemac_os_xRange10.15–10.15.6
OR
applemac_os_xMatch10.14.6security_update_2019-001
OR
applemac_os_xMatch10.14.6security_update_2019-002
OR
applemac_os_xMatch10.14.6security_update_2019-004
OR
applemac_os_xMatch10.14.6security_update_2019-005
OR
applemac_os_xMatch10.14.6security_update_2019-006
OR
applemac_os_xMatch10.14.6security_update_2019-007
OR
applemac_os_xMatch10.14.6security_update_2020-001
OR
applemac_os_xMatch10.14.6security_update_2020-002
OR
applemac_os_xMatch10.14.6security_update_2020-003
OR
applemac_os_xMatch10.14.6security_update_2020-004
OR
applemac_os_xMatch10.14.6security_update_2020-005
OR
applemac_os_xMatch10.14.6security_update_2020-006
OR
applemac_os_xMatch10.14.6security_update_2020-007
OR
applemac_os_xMatch10.15.7-
OR
applemac_os_xMatch10.15.7security_update_2020
OR
applemac_os_xMatch10.15.7security_update_2020-001
OR
applemac_os_xMatch10.15.7security_update_2020-005
OR
applemac_os_xMatch10.15.7security_update_2020-007
OR
applemac_os_xMatch10.15.7security_update_2021-002
OR
applemac_os_xMatch10.15.7security_update_2021-003
OR
applemac_os_xMatch10.15.7security_update_2021-004
OR
applemac_os_xMatch10.15.7security_update_2021-005
OR
applemac_os_xMatch10.15.7supplemental_update
OR
applemacosRange11.0–11.2

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

55.0%