CVE-2020-27894
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0...
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0.1. Users may be unable to remove metadata indicating where files were downloaded from.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0.1. Users may be unable to remove metadata indicating where files were downloaded from.
- Record
CVE-2020-27894- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0.1. Users may be unable to remove metadata indicating where files were downloaded from.
- Record
CVE-2020-27894- Updated
- 2026-11-02
EUVDEUVD-2020-20387 No score
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0.1. Users may be unable to remove metadata indicating where files were downloaded from.
- Record
EUVD-2020-20387- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xhr2-gj6g-mm67
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0...
The issue was addressed with additional user controls. This issue is fixed in macOS Big Sur 11.0.1. Users may be unable to remove metadata indicating where files were downloaded from.
- Record
GHSA-xhr2-gj6g-mm67- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27894 is a medium vulnerability (CVSS 5.5) in Apple Macos, published December 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. No source names a fixed version.