CVE-2021-34864CWE-284

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3 (49160)

High · published October 25, 2021

CVSS v3.0
8.8
EPSS
0%
Percentile
13.8
In the wild
Unconfirmed
What it is

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3 (49160). An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the WinAppHelper component. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13543.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00236 · 13.8th percentile
Weakness
CWE-284 · Improper Access Control
Published
2021-10-25T17:10Z
EPSS history
Timeline
  • 25 OCT 17:10Z
    This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3 (49160)
    cvelistv5