CVE-2021-34986CWE-367

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183)

High · published July 15, 2022

CVSS v3.0
7.8
EPSS
0%
Percentile
18.2
In the wild
Unconfirmed
What it is

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932.

The record
Technical detail
CVSS v3.0
7.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00270 · 18.2th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2022-07-15T19:05Z
EPSS history
Timeline
  • 15 JUL 19:05Z
    This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183)
    cvelistv5