PT-2021-19017 · Apple · Gatekeeper+4

Chenyuwang + 3 · Published 2021-08-24 · Updated 2021-12-30 · CVE-2021-30976

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS versions prior to 12.1 macOS Big Sur versions prior to 11.6.2 Security Update versions prior to 2021-008 Catalina

Description A logic issue was addressed with improved state management. This issue allows a malicious application to bypass Gatekeeper checks.

Recommendations For macOS versions prior to 12.1, update to macOS Monterey 12.1 to resolve the issue. For macOS Big Sur versions prior to 11.6.2, update to macOS Big Sur 11.6.2 to resolve the issue. For Security Update versions prior to 2021-008 Catalina, apply Security Update 2021-008 Catalina to resolve the issue.

Fix

Related Identifiers

CVE-2021-30976

Affected Products

Gatekeeper

Apple Macos

Security Update

Macos Big Sur

Macos Monterey

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2021-30976 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30976 · Vendor Advisory
• https://support.apple.com/en-us/HT212981 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30976 · Note
• https://support.apple.com/en-us/102876 · Note
• https://support.apple.com/en-us/102874 · Note
• https://support.apple.com/en-us/HT212978 · Note
• https://t.me/cvenotify/24855 · Telegram Post
• https://support.apple.com/en-us/HT212979 · Note