Permissions, Privileges, and Access Controls in macOS - CVE-2021-30756
Published: February 16, 2022
Vulnerability identifier: #VU60666
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30756
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a attacker to escalate privileges on the system.
The vulnerability exists due to improper permission check in the in Now Playing feature within the MediaRemote subsystem. An attacker with physical access to the system can observe Now Playing information from the lock screen.
Affected software
macOS
How to mitigate CVE-2021-30756
Install updates from vendor's website.
macOS - update to 11.4 20F71