Permissions, Privileges, and Access Controls in macOS - CVE-2021-30756
Published: February 16, 2022
Vulnerability identifier: #VU60666
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-30756
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
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.
How to mitigate CVE-2021-30756
Install updates from vendor's website.