Description
An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to preview files it does not have access to.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/32
Scores
CVSS v3
5.5
EPSS
0.0094
EPSS Percentile
57.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
Status
published
Products (1)
apple/macos
< 11.0.1
Published
Dec 08, 2020
Tracked Since
Feb 18, 2026