CVE-2021-27278

HIGH

Parallels Desktop 16.1.1-49141 - Privilege Escalation

Title source: llm
STIX 2.1

Description

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.1-49141. An attacker must first obtain the ability to execute high-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 path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the current user on the host system. Was ZDI-CAN-12130.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://kb.parallels.com/en/125013
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-412/

Scores

CVSS v3 8.2
EPSS 0.0054
EPSS Percentile 41.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-22
Status published
Products (1)
parallels/parallels_desktop 16.1.1
Published Apr 22, 2021
Tracked Since Feb 18, 2026