CVEvulnerability
CVE-2021-34986
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-07-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- 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 configurations
• parallels parallels desktop 16.5.0
Related
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
References
- https://kb.parallels.com/en/125013 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-385/ Third Party Advisory, VDB Entry
- https://kb.parallels.com/en/125013 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-385/ Third Party Advisory, VDB Entry