PT-2021-13621 · Apple · Macos Big Sur+1

Gary Nield + 2 · Published 2021-04-26 · Updated 2021-09-16 · CVE-2021-1853

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: macOS Big Sur versions prior to 11.3

Description: A logic issue was addressed with improved state management, which may allow a local attacker to elevate their privileges.

Recommendations: For versions prior to 11.3, update to macOS Big Sur 11.3 to resolve the issue.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2021-1853

Affected Products

Apple Macos

Macos Big Sur

References · 6

• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1853 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1853 · Security Note
• https://t.me/cibsecurity/28467 · Telegram Post
• https://support.apple.com/en-us/103126 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1853 · Note