CVEvulnerability
CVE-2021-34864
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-284
Description
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3 (49160). An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the WinAppHelper component. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13543.
Affected configurations
• parallels parallels desktop 16.1.3
Related
Weakness · CWE (1)
- CWE-284 Improper Access Control weakness
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-1000/ Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1000/ Third Party Advisory, VDB Entry