CVE-2021-30786

A race condition was addressed with improved state handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.

CVSS v3 7.0 HIGH
CVSS v2.0 5.1 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.1^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:N/C:P/I:P/A:P

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.apple.com/en-us/HT212601	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212602	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::

History

21 Sep 2021, 14:53

Type	Values Removed	Values Added
CPE		cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:iphone_os::::::::
CWE		CWE-362
References	~~(MISC) https://support.apple.com/en-us/HT212602 -~~	(MISC) https://support.apple.com/en-us/HT212602 - Release Notes, Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212601 -~~	(MISC) https://support.apple.com/en-us/HT212601 - Release Notes, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 5.1 v3 : 7.0

08 Sep 2021, 14:54

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-08 14:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-30786

Mitre link : CVE-2021-30786

CVE.ORG link : CVE-2021-30786

JSON object : View

Products Affected

apple

iphone_os
macos

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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