Permissions, Privileges, and Access Controls in Parallels Desktop - CVE-2021-34856
Published: August 3, 2021
Vulnerability identifier: #VU55531
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34856
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Parallels
Affected software:
Parallels Desktop
Parallels Desktop
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a memory corruption condition in the virtio-gpu virtual device. A local administrator can escalate privileges and execute arbitrary code in the context of the hypervisor.
How to mitigate CVE-2021-34856
Install updates from vendor's website.