VULNERABILITY INTELLIGENCE

CVE-2021-31422

CVSS score7.5 HIGH
EPSS probability0.30%
CISA KEVNot currently listed
Published2021-04-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

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 e1000e virtual device. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12527.

Weakness classification

  • zdi-disclosures@trendmicro.com: CWE-367
  • nvd@nist.gov: CWE-367

Primary references