Uncontrolled Memory Allocation in Parallels Desktop - CVE-2021-34854
Published: August 3, 2021
Vulnerability identifier: #VU55530
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34854
CWE-ID: CWE-789
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 due to uncontrolled memory allocation in the Toolgate component. A local user can escalate privileges and execute arbitrary code in the context of the hypervisor.
Affected software
Parallels Desktop
How to mitigate CVE-2021-34854
Install updates from vendor's website.
Parallels Desktop - update to 16.5.1