Medium severity5.5NVD Advisory· Published Dec 8, 2020· Updated Jun 17, 2026

CVE-2020-27900

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Big Surllm-fuzzy
Range: <11.0.1
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2020/Dec/32nvdMailing ListThird Party Advisory
support.apple.com/en-us/HT211931nvdVendor Advisory

News mentions

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cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000