CVEvulnerability

CVE-2021-31422

7.5 HIGH Published 2021-04-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-367, CWE-667

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.

Affected configurations

• parallels parallels desktop 16.1.1-49141

Related

Weakness · CWE (2)

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
  • CWE-667 Improper Locking weakness

References