Race condition in macOS - CVE-2021-30899
Published: October 27, 2021
Vulnerability identifier: #VU57711
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30899
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in the Bluetooth subsystem. A malicious application can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
Affected software
macOS
How to mitigate CVE-2021-30899
Install updates from vendor's website.
macOS - addressed in versions 10.15.7 19H1519, 12.0.1 21A559