Advisory Published


First published: Thu Jun 25 2020(Updated: )

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.2), and Fusion (11.x before 11.5.2) contain an information leak in the EHCI USB controller. A malicious actor with local access to a virtual machine may be able to read privileged information contained in the hypervisor's memory. Additional conditions beyond the attacker's control need to be present for exploitation to be possible.


Affected SoftwareAffected VersionHow to fix
VMware Cloud Foundation>=3.0<3.10
VMware Cloud Foundation>=4.0.0<4.0.1
VMware Fusion>=11.0.0<11.5.2
VMware Workstation>=15.0.0<15.5.2
VMware ESXi=6.5
VMware ESXi=6.5-650-201701001
VMware ESXi=6.5-650-201703001
VMware ESXi=6.5-650-201703002
VMware ESXi=6.5-650-201704001
VMware ESXi=6.5-650-201707101
VMware ESXi=6.5-650-201707102
VMware ESXi=6.5-650-201707103
VMware ESXi=6.5-650-201707201
VMware ESXi=6.5-650-201707202
VMware ESXi=6.5-650-201707203
VMware ESXi=6.5-650-201707204
VMware ESXi=6.5-650-201707205
VMware ESXi=6.5-650-201707206
VMware ESXi=6.5-650-201707207
VMware ESXi=6.5-650-201707208
VMware ESXi=6.5-650-201707209
VMware ESXi=6.5-650-201707210
VMware ESXi=6.5-650-201707211
VMware ESXi=6.5-650-201707212
VMware ESXi=6.5-650-201707213
VMware ESXi=6.5-650-201707214
VMware ESXi=6.5-650-201707215
VMware ESXi=6.5-650-201707216
VMware ESXi=6.5-650-201707217
VMware ESXi=6.5-650-201707218
VMware ESXi=6.5-650-201707219
VMware ESXi=6.5-650-201707220
VMware ESXi=6.5-650-201707221
VMware ESXi=6.5-650-201710001
VMware ESXi=6.5-650-201712001
VMware ESXi=6.5-650-201803001
VMware ESXi=6.5-650-201806001
VMware ESXi=6.5-650-201808001
VMware ESXi=6.5-650-201810001
VMware ESXi=6.5-650-201810002
VMware ESXi=6.5-650-201811001
VMware ESXi=6.5-650-201811002
VMware ESXi=6.5-650-201811301
VMware ESXi=6.5-650-201901001
VMware ESXi=6.5-650-201903001
VMware ESXi=6.5-650-201905001
VMware ESXi=6.5-650-201908001
VMware ESXi=6.5-650-201910001
VMware ESXi=6.5-650-20191004001
VMware ESXi=6.5-650-201911001
VMware ESXi=6.5-650-201911401
VMware ESXi=6.5-650-201911402
VMware ESXi=6.5-650-201912001
VMware ESXi=6.5-650-201912002
VMware ESXi=6.5-650-201912101
VMware ESXi=6.5-650-201912102
VMware ESXi=6.5-650-201912103
VMware ESXi=6.5-650-201912104
VMware ESXi=6.5-650-201912301
VMware ESXi=6.5-650-201912401
VMware ESXi=6.5-650-201912402
VMware ESXi=6.5-650-201912403
VMware ESXi=6.5-650-201912404
VMware ESXi=6.5-650-202005001
VMware ESXi=6.7
VMware ESXi=6.7-670-201806001
VMware ESXi=6.7-670-201807001
VMware ESXi=6.7-670-201808001
VMware ESXi=6.7-670-201810001
VMware ESXi=6.7-670-201810101
VMware ESXi=6.7-670-201810102
VMware ESXi=6.7-670-201810103
VMware ESXi=6.7-670-201810201
VMware ESXi=6.7-670-201810202
VMware ESXi=6.7-670-201810203
VMware ESXi=6.7-670-201810204
VMware ESXi=6.7-670-201810205
VMware ESXi=6.7-670-201810206
VMware ESXi=6.7-670-201810207
VMware ESXi=6.7-670-201810208
VMware ESXi=6.7-670-201810209
VMware ESXi=6.7-670-201810210
VMware ESXi=6.7-670-201810211
VMware ESXi=6.7-670-201810212
VMware ESXi=6.7-670-201810213
VMware ESXi=6.7-670-201810214
VMware ESXi=6.7-670-201810215
VMware ESXi=6.7-670-201810216
VMware ESXi=6.7-670-201810217
VMware ESXi=6.7-670-201810218
VMware ESXi=6.7-670-201810219
VMware ESXi=6.7-670-201810220
VMware ESXi=6.7-670-201810221
VMware ESXi=6.7-670-201810222
VMware ESXi=6.7-670-201810223
VMware ESXi=6.7-670-201810224
VMware ESXi=6.7-670-201810225
VMware ESXi=6.7-670-201810226
VMware ESXi=6.7-670-201810227
VMware ESXi=6.7-670-201810228
VMware ESXi=6.7-670-201810229
VMware ESXi=6.7-670-201810230
VMware ESXi=6.7-670-201810231
VMware ESXi=6.7-670-201810232
VMware ESXi=6.7-670-201810233
VMware ESXi=6.7-670-201810234
VMware ESXi=6.7-670-201811001
VMware ESXi=6.7-670-201901001
VMware ESXi=6.7-670-201901401
VMware ESXi=6.7-670-201901402
VMware ESXi=6.7-670-201901403
VMware ESXi=6.7-670-201903001
VMware ESXi=6.7-670-201904001
VMware ESXi=6.7-670-201904201
VMware ESXi=6.7-670-201904202
VMware ESXi=6.7-670-201904203
VMware ESXi=6.7-670-201904204
VMware ESXi=6.7-670-201904205
VMware ESXi=6.7-670-201904206
VMware ESXi=6.7-670-201904207
VMware ESXi=6.7-670-201904208
VMware ESXi=6.7-670-201904209
VMware ESXi=6.7-670-201904210
VMware ESXi=6.7-670-201904211
VMware ESXi=6.7-670-201904212
VMware ESXi=6.7-670-201904213
VMware ESXi=6.7-670-201904214
VMware ESXi=6.7-670-201904215
VMware ESXi=6.7-670-201904216
VMware ESXi=6.7-670-201904217
VMware ESXi=6.7-670-201904218
VMware ESXi=6.7-670-201904219
VMware ESXi=6.7-670-201904220
VMware ESXi=6.7-670-201904221
VMware ESXi=6.7-670-201904222
VMware ESXi=6.7-670-201904223
VMware ESXi=6.7-670-201904224
VMware ESXi=6.7-670-201904225
VMware ESXi=6.7-670-201904226
VMware ESXi=6.7-670-201904227
VMware ESXi=6.7-670-201904228
VMware ESXi=6.7-670-201904229
VMware ESXi=6.7-670-201905001
VMware ESXi=6.7-670-201906002
VMware ESXi=6.7-670-201908101
VMware ESXi=6.7-670-201908102
VMware ESXi=6.7-670-201908103
VMware ESXi=6.7-670-201908104
VMware ESXi=6.7-670-201908201
VMware ESXi=6.7-670-201908202
VMware ESXi=6.7-670-201908203
VMware ESXi=6.7-670-201908204
VMware ESXi=6.7-670-201908205
VMware ESXi=6.7-670-201908206
VMware ESXi=6.7-670-201908207
VMware ESXi=6.7-670-201908208
VMware ESXi=6.7-670-201908209
VMware ESXi=6.7-670-201908210
VMware ESXi=6.7-670-201908211
VMware ESXi=6.7-670-201908212
VMware ESXi=6.7-670-201908213
VMware ESXi=6.7-670-201908214
VMware ESXi=6.7-670-201908215
VMware ESXi=6.7-670-201908216
VMware ESXi=6.7-670-201908217
VMware ESXi=6.7-670-201908218
VMware ESXi=6.7-670-201908219
VMware ESXi=6.7-670-201908220
VMware ESXi=6.7-670-201908221
VMware ESXi=6.7-670-201912001
VMware ESXi=6.7-670-201912101
VMware ESXi=6.7-670-201912102
VMware ESXi=6.7-670-201912401
VMware ESXi=6.7-670-201912402
VMware ESXi=6.7-670-201912403
VMware ESXi=6.7-670-201912404
VMware ESXi=6.7-670-201912405
VMware ESXi=6.7-670-202004001
VMware ESXi=6.7-670-202004002
VMware ESXi=6.7-670-202004301
VMware ESXi=6.7-670-202004401
VMware ESXi=6.7-670-202004402
VMware ESXi=6.7-670-202004403
VMware ESXi=6.7-670-202004404
VMware ESXi=6.7-670-202004405
VMware ESXi=6.7-670-202004406
VMware ESXi=6.7-670-202004407
VMware ESXi=6.7-670-202004408
VMware ESXi=6.7-670-202006001
VMware ESXi=7.0.0

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Frequently Asked Questions

  • What is the severity of CVE-2020-3964?

    The severity of CVE-2020-3964 is rated as medium with a CVSS score of 4.7.

  • Which VMware products are affected by CVE-2020-3964?

    VMware ESXi 6.5, 6.7, and 7.0, VMware Workstation, and VMware Fusion are affected by CVE-2020-3964.

  • How can I find more information about CVE-2020-3964 vulnerability?

    You can find more information about CVE-2020-3964 on the official VMware security advisories page.

  • Is there a fix available for CVE-2020-3964?

    Yes, VMware has released patches to address the CVE-2020-3964 vulnerability. It is recommended to apply the relevant patches as soon as possible.

  • What is the vulnerability description of CVE-2020-3964?

    CVE-2020-3964 involves an information leak in the EHCI USB controller of VMware ESXi, Workstation, and Fusion that can be exploited by a malicious actor with local access to a virtual machine.


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