CVE-2022-34899

HIGH

Parallels Access 6.5.4 - Privilege Escalation via Symbolic Link Race Condition

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-22-947/
Vendor Advisory x_refsource_misc
https://kb.parallels.com/en/129010

Scores

CVSS v3 7.8
EPSS 0.0022
EPSS Percentile 12.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-367
Status published
Products (1)
parallels/parallels_access 6.5.4_\(39316\)
Published Jul 18, 2022
Tracked Since Feb 18, 2026