PT-2021-13626 · Apple · Macos Big Sur+1

Syed Ali Shuja · Published 2021-04-26 · Updated 2021-09-17 · CVE-2021-1859

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

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 have caused Locked Notes content to be unexpectedly unlocked.

Recommendations: For versions prior to 11.3, update to macOS Big Sur 11.3 to resolve the issue. As a temporary workaround, consider restricting access to Locked Notes until the update is applied.

Fix

Related Identifiers

CVE-2021-1859

Affected Products

Apple Macos

Macos Big Sur

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-1859 · Security Note
• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1859 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1859 · Note
• https://t.me/cvenotify/21087 · Telegram Post
• https://support.apple.com/en-us/103126 · Note