Heap Overflow in USB Controller of VMware Products
CVE-2020-3966

7.5HIGH

Key Information:

Vendor

Vmware
Status
Vmware Esxi
Workstation
Fusion
Vendor
CVE Published:
25 June 2020
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What is CVE-2020-3966?

The vulnerability arises from a heap overflow stemming from a race condition in the USB 2.0 controller within VMware products. An attacker with local access to a virtual machine can exploit this flaw to execute code on the hypervisor, thereby compromising virtual machines. However, additional conditions external to the attacker's control must be satisfied for this exploitation to occur. Users are advised to apply necessary updates to safeguard their systems.

Affected Version(s)

Fusion 11.x before 11.5.2

VMware ESXi 7.0 before ESXi_7.0.0-1.20.16321839

VMware ESXi 6.7 before ESXi670-202004101-SG

References

https://www.vmware.com/security/advisories/VMSA-2020-0015...
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https://www.zerodayinitiative.com/advisories/ZDI-20-783/
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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

.