CVE-2020-9941

7.5 highEPSS 2.6%

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. A remote attacker may be able to unexpectedly alter application state.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
Published: 2020-10-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:ipados
apple:iphone_os
apple:mac_os_x
apple:macos
apple:watchos

References

http://seclists.org/fulldisclosure/2020/Dec/32
http://seclists.org/fulldisclosure/2020/Nov/20
http://seclists.org/fulldisclosure/2020/Nov/21
http://seclists.org/fulldisclosure/2020/Nov/22
https://support.apple.com/en-us/HT211849

Check your stack JSON