VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202006401-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 use-after-free vulnerability in PVNVRAM. A malicious actor with local access to a virtual machine may be able to read privileged information contained in physical memory.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-3963
• https://www.vmware.com/security/advisories/VMSA-2020-0015.html
• http://packetstormsecurity.com/files/158459/VMware-ESXi-Use-After-Free-Out-Of-Bounds-Access.html
• http://seclists.org/fulldisclosure/2020/Jul/22