Security restrictions bypass in macOS - CVE-2021-30913
Published: October 27, 2021
Vulnerability identifier: #VU57724
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30913
CWE-ID: CWE-264
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 SoftwareUpdate subsystem. A malicious application is able to edit the NVRAM variables and gain unauthorized access to the system.
Affected software
macOS
How to mitigate CVE-2021-30913
Install updates from vendor's website.
macOS - addressed in versions 11.6.1 20G224, 10.15.7 19H1519, 12.0.1 21A559