Main Vulnerability Database Vulnerabilities #VU49098

NULL pointer dereference in VMware, Inc products - CVE-2020-3999

Published: December 21, 2020 / Updated: December 21, 2020

Vulnerability identifier: #VU49098

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3999

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the SetGuestInfo call. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Affected software

VMware ESXi
VMware Fusion
VMware Workstation

How to mitigate CVE-2020-3999

Install updates from vendor's website.

VMware ESXi - update to ESXi70U1c-17325551
VMware Fusion - update to 11.5.7
VMware Workstation - update to 15.5.7

External References

Related Security Bulletins