CVE-2020-3855

HIGH

macOS < 10.15.3 - Arbitrary File Write via Malicious Application

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT210919

Scores

CVSS v3 7.1
EPSS 0.0067
EPSS Percentile 47.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Details

Status published
Products (1)
apple/mac_os_x < 10.15.3
Published Oct 27, 2020
Tracked Since Feb 18, 2026