What is CVE-2020-9990?

CVE-2020-9990 is a high-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2020-10-22.

How severe is CVE-2020-9990?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple macOS

CVE-2020-9990

A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Race Condition

EPSS: 0.002 (16.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9990?: CVE-2020-9990 is a high-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2020-10-22.
How severe is CVE-2020-9990?: High severity. CVSS v3 base score is 7.8 out of 10.