6.5
CVSSv3

CVE-2021-34855

Published: 25/10/2021 Updated: 27/10/2021
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 6.5 | Impact Score: 4 | Exploitability Score: 2
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Vulnerability Summary

This vulnerability allows local malicious users to disclose sensitive information 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 Toolgate component. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13592.

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parallels parallels desktop 16.1.3