CVE-2021-31422

Katalog CVE

CVSS 7.5 · High EPSS 0,30%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada parallels desktop. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

29 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

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

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 20,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.parallels.com/en/125013 advisory vendor
• https://www.zerodayinitiative.com/advisories/ZDI-21-430/ advisory pihak ketiga · vdb entry