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[email protected]NVD:CVE-2021-1820

HistorySep 08, 2021 - 3:15 p.m.

CVE-2021-1820

2021-09-0815:15:09

CWE-665

[email protected]

web.nvd.nist.gov

memory handling

macos

ios

ipados

watchos

tvos

web content

process memory disclosure

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

48.0%

JSON

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.

Affected configurations

Nvd

Node

appleipadosRange<14.5

appleiphone_osRange<14.5

applemacosRange11.0–11.3

appletvosRange<14.5

applewatchosRange<7.4

VendorProductVersionCPE
appleipados*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
appletvos*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
applewatchos*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	ipados	*	cpe:2.3:o:apple:ipados::::::::
apple	iphone_os	*	cpe:2.3:o:apple:iphone_os::::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::
apple	tvos	*	cpe:2.3:o:apple:tvos::::::::
apple	watchos	*	cpe:2.3:o:apple:watchos::::::::