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CVE-2020-27921: A race condition was addressed with improved state handling. 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. An ...
CVE-2020-27921 · published 5 years ago
Summary
A race condition was addressed with improved state handling. 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. An application may be able to execute arbitrary code with kernel privileges.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| apple | mac_os_x |
< 11.0.1 < 11.1.0 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
Original advisory text
A race condition was addressed with improved state handling. 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. An ...
A race condition was addressed with improved state handling. 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. An application may be able to execute arbitrary code with kernel privileges.
References
- https://support.apple.com/en-us/HT212011 Vendor Advisory
- https://support.apple.com/en-us/HT211931 Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-362Race Condition
Timeline
Published2 Apr 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-27921 · NVD
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