CVE-2020-3966

high

Description

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.2), and Fusion (11.x before 11.5.2) contain a heap-overflow due to a race condition issue in the USB 2.0 controller (EHCI). A malicious actor with local access to a virtual machine may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible.

References

https://www.vmware.com/security/advisories/VMSA-2020-0015.html

https://www.zerodayinitiative.com/advisories/ZDI-20-783/

Details

Source: MITRE

Published: 2020-06-25

Updated: 2020-07-01

Type: CWE-362

Risk Information

CVSS v2

Base Score: 3.7

Vector: AV:L/AC:H/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 1.9

Severity: LOW

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 0.8

Severity: HIGH