7.5
HIGH
CVE-2020-3966
VMware ESXi and Workstation EHCI USB Heap Overflow
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.

INFO

Published Date :

June 25, 2020, 3:15 p.m.

Last Modified :

July 1, 2020, 5:57 p.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2020-3966 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Vmware workstation
2 Vmware esxi
3 Vmware fusion
4 Vmware cloud_foundation
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3966.

URL Resource
https://www.vmware.com/security/advisories/VMSA-2020-0015.html Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-783/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-3966 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3966 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jul. 01, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:H/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2020-0015.html No Types Assigned https://www.vmware.com/security/advisories/VMSA-2020-0015.html Vendor Advisory
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-20-783/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-20-783/ Third Party Advisory
    Added CWE NIST CWE-362
    Added CPE Configuration OR *cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.10 *cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 4.0.1 *cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* versions from (including) 11.0.0 up to (excluding) 11.5.2 *cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (excluding) 15.5.2 *cpe:2.3:o:vmware:esxi:6.5:-:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201701001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201703001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201703002:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201704001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707101:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707102:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707103:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707201:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707202:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707203:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707204:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707205:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707206:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707207:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707208:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707209:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707210:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707211:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707212:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707213:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707214:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707215:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707216:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707217:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707218:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707219:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707220:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201707221:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201710001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201712001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201803001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201806001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201808001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201810001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201810002:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201811001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201811002:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201811301:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201901001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201903001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201905001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201908001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201910001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-20191004001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201911001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201911401:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201911402:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912002:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912101:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912102:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912103:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912104:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912301:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912401:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912402:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912403:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-201912404:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.5:650-202005001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:-:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201806001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201807001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201808001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810101:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810102:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810103:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810201:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810202:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810203:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810204:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810205:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810206:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810207:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810208:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810209:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810210:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810211:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810212:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810213:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810214:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810215:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810216:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810217:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810218:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810219:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810220:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810221:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810222:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810223:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810224:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810225:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810226:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810227:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810228:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810229:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810230:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810231:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810232:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810233:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201810234:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201811001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201901001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201901401:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201901402:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201901403:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201903001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904201:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904202:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904203:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904204:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904205:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904206:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904207:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904208:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904209:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904210:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904211:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904212:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904213:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904214:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904215:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904216:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904217:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904218:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904219:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904220:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904221:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904222:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904223:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904224:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904225:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904226:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904227:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201904228:*:*:*:*:*:* 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*cpe:2.3:o:vmware:esxi:6.7:670-201908212:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908213:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908214:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908215:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908216:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908217:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908218:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908219:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908220:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201908221:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912101:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912102:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912401:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912402:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912403:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912404:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-201912405:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-202004001:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:6.7:670-202004002:*:*:*:*:*:* *cpe:2.3:o:vmware:esxi:7.0.0:-:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 30, 2020

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-20-783/ [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-3966 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-3966 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.02%

score

0.28448

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability