CVE-2020-27921

CVSS V2 High 9.3 CVSS V3 High 7

Description

A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Overview

CVE ID
CVE-2020-27921

Assigner
product-security@apple.com

Vulnerability Status
Analyzed

Published Version
2021-04-02T18:15:15

Last Modified Date
2021-04-06T19:07:48

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:mac_os_x::::::::	1	OR		11.0.1
cpe:2.3:o:apple:mac_os_x::::::::	1	OR		11.1.0

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
9.3

Severity
HIGH

Exploitability Score
8.6

Impact Score
10

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/HT212011	Vendor Advisory
https://support.apple.com/en-us/HT211931	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-27921
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27921

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:17:05				Added to TrackCVE
2022-12-06 00:55:47	2021-04-02T18:15Z	2021-04-02T18:15:15	CVE Published Date	updated
2022-12-06 00:55:47		2021-04-06T19:07:48	CVE Modified Date	updated
2022-12-06 00:55:48		Analyzed	Vulnerability Status	updated