PT-2020-16854 · Apple · Macos Mojave+3

Linus Henze · Published 2020-11-12 · Updated 2021-04-06 · CVE-2020-27921

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Big Sur versions prior to 11.1 macOS Big Sur version 11.0.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave

Description A race condition was addressed with improved state handling, which may allow an application to execute arbitrary code with kernel privileges.

Recommendations For macOS Big Sur versions prior to 11.1, update to macOS Big Sur 11.1. For macOS Big Sur version 11.0.1, update to macOS Big Sur 11.1. For Security Update 2020-001 Catalina, apply Security Update 2020-001 Catalina. For Security Update 2020-007 Mojave, apply Security Update 2020-007 Mojave.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2020-27921

Affected Products

Apple Macos

Macos Big Sur

Macos Catalina

Macos Mojave

References · 7

• https://osv.dev/vulnerability/CVE-2020-27921 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27921 · Security Note
• https://support.apple.com/en-us/HT212011 · Vendor Advisory
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27921 · Note
• https://support.apple.com/en-us/103052 · Note
• https://support.apple.com/en-us/102846 · Note