What’s Vulnerable › Vulnerabilities

CVE-2020-27901

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17
• Weakness: CWE-863

Description

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.

Affected products

• Apple macOS: before 11.0.1; before 11.1.0 — fixed in 11.0.1, 11.1.0

How to fix

Upgrade to a fixed version: Apple macOS 11.0.1, 11.1.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT211931
• https://support.apple.com/en-us/HT212011
• https://support.apple.com/en-us/HT211931
• https://support.apple.com/en-us/HT212011

Get alerted when CVE-2020-27901 or the next vulnerability affects your stack