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Tool Directory

CVE-2023-27328

HighPublished

Parallels Desktop Toolgate XML Injection Local Privilege Escalation Vulnerability

Published: May 3, 2024
Updated: Aug 2, 2024
Assigning CNA: zdi
Evidence observed: Aug 8, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.0

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS probability estimate

0.3%

Low · next 30 days

Percentile: 25.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Parallels Desktop Toolgate XML Injection Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. 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 validation of a user-supplied string before using it to construct an XML document. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-19187.

Sources

parallels-plist-escapeExploit
Exploits for CVE-2023-27327 and CVE-2023-27328

Responsible use

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