CVE-2021-31427
MEDIUMParallels Desktop 15.1.5-47309 - Information Disclosure via Open Tools Gate Race Condition
Title source: llmDescription
This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309. 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 Open Tools Gate component. The issue results from the lack of proper locking when performing operations on an object. 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-13082.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://kb.parallels.com/en/125013
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-435/
Scores
CVSS v3
5.6
EPSS
0.0028
EPSS Percentile
19.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Details
CWE
CWE-367
CWE-667
Status
published
Products (1)
parallels/parallels_desktop
15.1.5-47309
Published
Apr 29, 2021
Tracked Since
Feb 18, 2026