CVE-2021-31418

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270. 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-12221.

• CWE-908

• https://kb.parallels.com/en/125013Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-429/Third Party Advisory, VDB Entry
• https://kb.parallels.com/en/125013Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-429/Third Party Advisory, VDB Entry

Published

Apr 29, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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