CVE-2021-34855
Last modified
CVE-2021-34855 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. This vulnerability allows local attackers to disclose sensitive information 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
This vulnerability allows local attackers to disclose sensitive information 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 Toolgate component. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13592.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Parallels | Parallels Desktop | 16.1.3 |
References
- https://kb.parallels.com/125013Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-939/Third Party Advisory, VDB Entry
- https://kb.parallels.com/125013Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-939/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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