November 3, 2021 · Applied Cybernetics Group
CVE-2021-30657 — Apple macOS
Apple macOS Unspecified Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Apple
- Product
- macOS
- EPSS
- 99.3th percentile (score 0.685, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-30657
CISA short description
Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.
Required action
Apply updates per vendor instructions.