CVE-2022-34899
HIGHParallels Access - TOCTOU Race Condition
Title source: ruleDescription
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Access 6.5.4 (39316) Agent. An attacker must first obtain the ability to execute low-privileged code on the target host 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-16134.
Scores
CVSS v3
7.8
EPSS
0.0008
EPSS Percentile
22.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Classification
CWE
CWE-367
Status
published
Affected Products (1)
parallels/parallels_access
Timeline
Published
Jul 18, 2022
Tracked Since
Feb 18, 2026