Permissions, Privileges, and Access Controls in VMware Fusion and VMware Workstation - CVE-2020-3948
Published: March 13, 2020
Vulnerability identifier: #VU26074
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3948
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper file permissions in Cortado Thinprint. A local user with access to a Linux guest VM with VMware Tools installed can gain root privileges on the same guest VM.
Affected software
VMware Fusion
VMware Workstation
VMware Workstation
How to mitigate CVE-2020-3948
Install updates from vendor's website.
VMware Fusion - update to 11.5.2
VMware Workstation - update to 15.5.2
VMware Workstation - update to 15.5.2