CVE-2021-30786

CVSS V2 Medium 5.1 CVSS V3 High 7

Description

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.

Overview

CVE ID
CVE-2021-30786

Assigner
product-security@apple.com

Vulnerability Status
Analyzed

Published Version
2021-09-08T14:15:11

Last Modified Date
2021-09-21T14:53:11

Weakness Enumerations

CWE	URL
CWE-362	http://cwe.mitre.org/data/definitions/362.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:apple:iphone_os::::::::	1	OR		14.7
cpe:2.3:o:apple:macos::::::::	1	OR	11.0	11.5

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
HIGH

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
5.1

Severity
MEDIUM

Exploitability Score
4.9

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7

Base Severity
HIGH

Exploitability Score
1

Impact Score
5.9

References

Reference URL	Reference Tags
https://support.apple.com/en-us/HT212602	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212601	Release Notes Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-30786
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30786

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:54:24				Added to TrackCVE
2022-12-05 09:55:41	2021-09-08T14:15Z	2021-09-08T14:15:11	CVE Published Date	updated
2022-12-05 09:55:41		2021-09-21T14:53:11	CVE Modified Date	updated
2022-12-05 09:55:42		Analyzed	Vulnerability Status	updated