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CVE-2021-1839: The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able ...
CVE-2021-1839 · published 5 years ago
Summary
The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.
What to do
- Update apple macos to version 11.3 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| apple | mac_os_x |
10.14 10.14.0 10.14.1 10.14.2 10.14.3 10.14.4 10.14.5 10.14.6 10.15 10.15.1 10.15.2 10.15.3 4 more version ranges
cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:* |
| apple | macos |
>= 11.0, < 11.3 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
Original advisory text
The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able ...
The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.
References
- https://support.apple.com/en-us/HT212325 Vendor Advisory
- https://support.apple.com/en-us/HT212326 Vendor Advisory
- https://support.apple.com/en-us/HT212327 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-269Improper Privilege Management
Timeline
Published8 Sep 2021
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-1839 · NVD
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