Vulnerability · Published Jun 25, 2020 · Assigned by vmware

CVE-2020-3966

High 7.5

In plain English

A high-severity security flaw in Fusion from VMware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)0.4%top 68.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-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 heap-overflow due to a race condition issue in the USB 2.0 controller (EHCI). A malicious actor with local access to a virtual machine may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible.

Affected products (as reported)

Vendor	Product	Versions
VMware	VMware ESXi	7.0 before ESXi_7.0.0-1.20.163218396.7 before ESXi670-202004101-SG6.5 before ESXi650-202005401-SG
VMware	Workstation	15.x before 15.5.2
VMware	Fusion	11.x before 11.5.2

References

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