Heap Overflow Vulnerability in VMware ESXi, Workstation, and Fusion
CVE-2020-3967
7.5HIGH
Summary
VMware ESXi, Workstation, and Fusion are susceptible to a heap overflow vulnerability in the USB 2.0 controller (EHCI). This vulnerability allows a malicious actor with local access to a virtual machine to potentially execute code on the hypervisor. For the exploit to be successful, additional conditions must be present beyond the attacker's control, making it a complex scenario for unauthorized code execution. IT administrators should prioritize patching and securing their VMware products as indicated in the official advisory.
Affected Version(s)
Fusion 11.x before 11.5.5
VMware ESXi 7.0 before ESXi_7.0.0-1.20.16321839
VMware ESXi 6.7 before ESXi670-202004101-SG
References
CVSS V3.1
Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed
Timeline
Vulnerability published
Vulnerability Reserved