Reachable Assertion in VMware, Inc products - CVE-2020-3958
Published: May 29, 2020 / Updated: June 1, 2020
Vulnerability identifier: #VU28340
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3958
CWE-ID: CWE-617
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion in the shader functionality. A remote user of guest operating system can
pass a malformed pixel shader (inside VMware guest OS) and perform a denial of
service (DoS) attack due a panic condition in the vmware-vmx.exe process on host.
Affected software
VMware ESXi
VMware Fusion
VMware Workstation
VMware Fusion
VMware Workstation
How to mitigate CVE-2020-3958
Install updates from vendor's website.
VMware ESXi - addressed in versions ESXi650-202005401-SG, ESXi670-202004101-SG
VMware Fusion - update to 11.5.2
VMware Workstation - update to 15.5.2
VMware Fusion - update to 11.5.2
VMware Workstation - update to 15.5.2