What’s Vulnerable › Vulnerabilities

CVE-2020-27937

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17

Description

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.

Affected products

• macOS: before 11.2.0; before 11.0.1 — fixed in 11.0.1, 11.2.0

How to fix

Upgrade to a fixed version: macOS 11.0.1, 11.2.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT211931
• https://support.apple.com/en-us/HT212147
• https://support.apple.com/en-us/HT211931
• https://support.apple.com/en-us/HT212147

Get alerted when CVE-2020-27937 or the next vulnerability affects your stack