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[email protected]CVE-2021-1817

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

CVE-2021-1817

2021-09-0815:15:00

CWE-787

[email protected]

web.nvd.nist.gov

136

cve-2021-1817

memory corruption

state management

macos big sur

ios 14.5

ipados 14.5

watchos 7.4

tvos 14.5

arbitrary code execution

web content

nvd

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

74.4%

JSON

A memory corruption issue was addressed with improved state management. 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 lead to arbitrary code execution.

VendorProductVersionCPE
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
appleipad_os*cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
appletvos*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
applewatchos*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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