CVE-2020-10009

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-08 · updated 2026-06-17

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.

Affected products

macOS: before 11.0.1; from 10.14 before 10.14.6; from 10.15 before 10.15.7; 10.14.6, 10.14.6-security_update_2019-001, 10.14.6-security_update_2019-002, 10.14.6-security_update_2019-004, 10.14.6-security_update_2019-005, 10.14.6-security_update_2019-006 (+9) — fixed in 10.14.6, 10.15.7, 11.0.1

How to fix

Upgrade to a fixed version: macOS 10.14.6, 10.15.7, 11.0.1. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2020/Dec/26
http://seclists.org/fulldisclosure/2020/Dec/32
https://support.apple.com/en-us/HT211931
https://support.apple.com/kb/HT212011
http://seclists.org/fulldisclosure/2020/Dec/26
http://seclists.org/fulldisclosure/2020/Dec/32
https://support.apple.com/en-us/HT211931
https://support.apple.com/kb/HT212011

Get alerted when CVE-2020-10009 or the next vulnerability affects your stack