VULNERABILITY INTELLIGENCE
CVE-2021-34986
CVSS score7.8 HIGH
EPSS probability0.27%
CISA KEVNot currently listed
Published2022-07-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- zdi-disclosures@trendmicro.com: CWE-367
Primary references
- zdi-disclosures@trendmicro.com — Vendor Advisory
- zdi-disclosures@trendmicro.com — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry