What’s Vulnerable › Vulnerabilities

CVE-2021-30861

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-24 · updated 2026-06-17

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1. A malicious application may bypass Gatekeeper checks.

Affected products

• Apple macOS: before 12.0.1 — fixed in 12.0.1
• Apple Safari: before 15.0.0 — fixed in 15.0.0

How to fix

Upgrade to a fixed version: Apple macOS 12.0.1; Apple Safari 15.0.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT212869
• https://support.apple.com/kb/HT212816
• https://support.apple.com/en-us/HT212869
• https://support.apple.com/kb/HT212816

Get alerted when CVE-2021-30861 or the next vulnerability affects your stack