Live › vulnerability › CVE-2021-30657
Go to dashboardApple macOS has a logic flaw in System Preferences that lets a malicious application bypass Gatekeeper checks. Attackers can run unsigned or untrusted software on a Mac that Gatekeeper would normally block.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Apple macOS | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply the macOS updates from Apple per CISA's required action; the sources do not name the exact fixed version.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..
This page as .md · .json · in your agent: get_signal("CVE-2021-30657")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.