CVE-2021-34986

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-15 · updated 2026-06-17
Weakness: CWE-367

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.

Affected products

Parallels Desktop: 16.5.0

References

https://kb.parallels.com/en/125013
https://www.zerodayinitiative.com/advisories/ZDI-22-385/
https://kb.parallels.com/en/125013
https://www.zerodayinitiative.com/advisories/ZDI-22-385/

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