CVE-2020-27901
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1...
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
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
6.3
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
- Record
CVE-2020-27901- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
- Record
CVE-2020-27901- Updated
- 2026-11-02
EUVDEUVD-2020-20394 No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
- Record
EUVD-2020-20394- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gxr6-295x-jmjx No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1...
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
- Record
GHSA-gxr6-295x-jmjx- Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27901 is a medium vulnerability (CVSS 6.3) in Apple Macos, published April 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 49th percentile. No source names a fixed version.