Insecure Inherited Permissions in macOS - CVE-2021-30892
Published: October 27, 2021
Vulnerability identifier: #VU57728
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30892
CWE-ID: CWE-277
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists in the zsh component in macOS due to incorrectly inherited permissions. A local user can modify protected parts of the file system.
Affected software
macOS
How to mitigate CVE-2021-30892
Install updates from vendor's website.
macOS - addressed in versions 11.6.1 20G224, 10.15.7 19H1519, 12.0.1 21A559