CVE-2020-3855

7.1 highEPSS 0.7%

High (7.1) in apple mac os x. EPSS 0.7% chance of exploitation in the next 30 days.

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. A malicious application may be able to overwrite arbitrary files.

Severity

CVSS 3.1

7.1 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% 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:mac_os_x

References

https://support.apple.com/en-us/HT210919
https://support.apple.com/en-us/HT210919

Check your stack JSON