CVE-2021-30861

Name: CVE-2021-30861
Creator: NVD / NIST
Published: 2021-08-24T19:15:14.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.22%

Last modified Jun 17, 2026

CVE-2021-30861 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

1.22%

65.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Safari	< 15.0.0
Apple	Macos	< 12.0.1

References

Timeline

Published: Aug 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30861?

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.

How severe is CVE-2021-30861?

CVE-2021-30861 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30861?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30861?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST