CVE-2020-4004

HIGH

8.2

CVSS Score

Published: November 20, 2020 at 07:06 PM UTC

Updated: June 17, 2026 at 03:19 AM UTC

4 products affected across 1 vendorWorkstationCloud FoundationESXi· also runs on 1 platform

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Severity

HIGH8.2

Exploit prediction

EPSS 0.4%

Description

VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG), Workstation (15.x before 15.5.7), Fusion (11.x before 11.5.7) contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cloud Foundation · VMware

95%

3.0 ≤ v < 3.10.1.24.0 ≤ v < 4.1.0.1

Affected range stops below 3.10.1.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.1.0.1, so it looks safe — our inference, not a vendor statement

ESXi · VMware

95%

6.5 6.5 650-201701001 6.5 650-201703001 6.5 650-201703002 6.5 650-201704001 6.5 650-201707101 6.5 650-201707102 6.5 650-201707103 6.5 650-201707201 6.5 650-201707202 6.5 650-201707203 6.5 650-201707204 6.5 650-201707205 6.5 650-201707206 6.5 650-201707207 6.5 650-201707208 6.5 650-201707209 6.5 650-201707210 6.5 650-201707211 6.5 650-201707212 6.5 650-201707213 6.5 650-201707214 6.5 650-201707215 6.5 650-201707216 6.5 650-201707217 6.5 650-201707218 6.5 650-201707219 6.5 650-201707220 6.5 650-201707221 6.5 650-201710001 6.5 650-201712001 6.5 650-201803001 6.5 650-201806001 6.5 650-201808001 6.5 650-201810001 6.5 650-201810002 6.5 650-201811001 6.5 650-201811002 6.5 650-201811301 6.5 650-201901001 6.5 650-201903001 6.5 650-201905001 6.5 650-201908001 6.5 650-201910001 6.5 650-20191004001 6.5 650-201911001 6.5 650-201911401 6.5 650-201911402 6.5 650-201912001 6.5 650-201912002 6.5 650-201912101 6.5 650-201912102 6.5 650-201912103 6.5 650-201912104 6.5 650-201912301 6.5 650-201912401 6.5 650-201912402 6.5 650-201912403 6.5 650-201912404 6.5 650-202005001 6.5 650-202006001 6.5 650-202007001 6.5 650-202010001 6.5 650-202011001 6.5 650-202011002 6.5 before ESXi650-202011301-SG 6.7 6.7 670-201806001 6.7 670-201807001 6.7 670-201808001 6.7 670-201810001 6.7 670-201810101 6.7 670-201810102 6.7 670-201810103 6.7 670-201810201 6.7 670-201810202 6.7 670-201810203 6.7 670-201810204 6.7 670-201810205 6.7 670-201810206 6.7 670-201810207 6.7 670-201810208 6.7 670-201810209 6.7 670-201810210 6.7 670-201810211 6.7 670-201810212 6.7 670-201810213 6.7 670-201810214 6.7 670-201810215 6.7 670-201810216 6.7 670-201810217 6.7 670-201810218 6.7 670-201810219 6.7 670-201810220 6.7 670-201810221 6.7 670-201810222 6.7 670-201810223 6.7 670-201810224 6.7 670-201810225 6.7 670-201810226 6.7 670-201810227 6.7 670-201810228 6.7 670-201810229 6.7 670-201810230 6.7 670-201810231 6.7 670-201810232 6.7 670-201810233 6.7 670-201810234 6.7 670-201811001 6.7 670-201901001 6.7 670-201901401 6.7 670-201901402 6.7 670-201901403 6.7 670-201903001 6.7 670-201904001 6.7 670-201904201 6.7 670-201904201-ug 6.7 670-201904202 6.7 670-201904202-ug 6.7 670-201904203 6.7 670-201904203-ug 6.7 670-201904204 6.7 670-201904204-ug 6.7 670-201904205 6.7 670-201904205-ug 6.7 670-201904206 6.7 670-201904206-ug 6.7 670-201904207 6.7 670-201904207-ug 6.7 670-201904208 6.7 670-201904208-ug 6.7 670-201904209 6.7 670-201904209-ug 6.7 670-201904210 6.7 670-201904210-ug 6.7 670-201904211 6.7 670-201904211-ug 6.7 670-201904212 6.7 670-201904212-ug 6.7 670-201904213 6.7 670-201904213-ug 6.7 670-201904214 6.7 670-201904214-ug 6.7 670-201904215 6.7 670-201904215-ug 6.7 670-201904216 6.7 670-201904216-ug 6.7 670-201904217 6.7 670-201904217-ug 6.7 670-201904218 6.7 670-201904218-ug 6.7 670-201904219 6.7 670-201904219-ug 6.7 670-201904220 6.7 670-201904220-ug 6.7 670-201904221 6.7 670-201904221-ug 6.7 670-201904222 6.7 670-201904222-ug 6.7 670-201904223 6.7 670-201904223-ug 6.7 670-201904224 6.7 670-201904224-ug 6.7 670-201904225 6.7 670-201904225-ug 6.7 670-201904226 6.7 670-201905001 6.7 670-201906002 6.7 670-201911001 6.7 670-201912001 6.7 670-202004001 6.7 670-202004002 6.7 670-202006001 6.7 670-202008001 6.7 670-202010001 6.7 before ESXi670-202011101-SG 7.0 7.0 before ESXi70U1b-17168206 7.0 beta 7.0 update_1 7.0 update_1a 7.0 update_1b

Fusion · VMware

95%

11 ≤ v < 11.5.7

Affected range stops below 11.5.7, so it looks safe — our inference, not a vendor statement

apple-macos (environment)

Workstation · VMware

95%

15 ≤ v < 15.5.7

Affected range stops below 15.5.7, so it looks safe — our inference, not a vendor statement

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

macOS · Apple

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.vmware.com/security/advisories/VMSA-2020-0026.html

References (1)

x_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

https://www.vmware.com/security/advisories/VMSA-2020-0026.html

CVSS

8.2HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-416

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