Vulnerability in Apple macOS

CVE-2021-30787

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to cause unexpected system termination or write kernel memory.

EPSS: 0.011 (61.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2021-30787?
CVE-2021-30787 is a high-severity vulnerability in Apple macOS. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30787?
High severity. CVSS v3 base score is 7.8 out of 10.