What’s Vulnerable › Vulnerabilities
CVE-2021-30680
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-09-08 · updated 2026-06-17
Description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4. A local user may be able to load unsigned kernel extensions.
Affected products
- Apple macOS: before 11.4 — fixed in 11.4
How to fix
Upgrade to a fixed version: Apple macOS 11.4. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2021-30680 or the next vulnerability affects your stack