Vulnerability in Parallels Desktop
CVE-2020-17391
This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.3-47255. 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 handler for HOST_IOCTL_INIT_HYPERVISOR in the prl_hypervisor kext. The issue results from the exposure of dangerous method or function to the unprivileged user. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-10518.
EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Parallels Desktop — versions 15.1.3-47255
- Parallels Parallels_desktop
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-17391?
- CVE-2020-17391 is a medium-severity vulnerability in Parallels Desktop, classified under CWE-749. CVSS score: 6.5/10. Published 2020-08-25.
- How severe is CVE-2020-17391?
- Medium severity. CVSS v3 base score is 6.5 out of 10.