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CVE-2020-27937

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur...

5.5 Medium

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to access private information.

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
High
Integrity
None
Availability
None

Exploit likelihood

1.23%Up 1.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to access private information.

Record
CVE-2020-27937
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to access private information.

Record
CVE-2020-27937
Updated
2026-11-02
EUVDEUVD-2020-20430 No score

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to access private information.

Record
EUVD-2020-20430
Updated
2026-11-03
GitHub AdvisoriesGHSA-2mc9-cvxq-r2xq No score

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur...

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.0.1. A malicious application may be able to access private information.

Record
GHSA-2mc9-cvxq-r2xq
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-27937 is a medium vulnerability (CVSS 5.5) 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 1.23%, the 69th percentile. No source names a fixed version.

References

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