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Servers and applications

CVE-2020-3966

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…

Severity
High 7.5
Published
25 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
VMware ESXiServers and applications · cpe:o:vmware:esxi
  • Version 7.0.0
  • Version 6.7-670-202004002
  • Version 6.7-670-202004001
  • Version 6.7-670-201912405
All 176 release lines
  • Version 6.5
  • Version 6.5-650-201701001
  • Version 6.5-650-201703001
  • Version 6.5-650-201703002
  • Version 6.5-650-201704001
  • Version 6.5-650-201707101
  • Version 6.5-650-201707102
  • Version 6.5-650-201707103
  • Version 6.5-650-201707201
  • Version 6.5-650-201707202
  • Version 6.5-650-201707203
  • Version 6.5-650-201707204
  • Version 6.5-650-201707205
  • Version 6.5-650-201707206
  • Version 6.5-650-201707207
  • Version 6.5-650-201707208
  • Version 6.5-650-201707209
  • Version 6.5-650-201707210
  • Version 6.5-650-201707211
  • Version 6.5-650-201707212
  • Version 6.5-650-201707213
  • Version 6.5-650-201707214
  • Version 6.5-650-201707215
  • Version 6.5-650-201707216
  • Version 6.5-650-201707217
  • Version 6.5-650-201707218
  • Version 6.5-650-201707219
  • Version 6.5-650-201707220
  • Version 6.5-650-201707221
  • Version 6.5-650-201710001
  • Version 6.5-650-201712001
  • Version 6.5-650-201803001
  • Version 6.5-650-201806001
  • Version 6.5-650-201808001
  • Version 6.5-650-201810001
  • Version 6.5-650-201810002
  • Version 6.5-650-201811001
  • Version 6.5-650-201811002
  • Version 6.5-650-201811301
  • Version 6.5-650-201901001
  • Version 6.5-650-201903001
  • Version 6.5-650-201905001
  • Version 6.5-650-201908001
  • Version 6.5-650-201910001
  • Version 6.5-650-201911001
  • Version 6.5-650-201911401
  • Version 6.5-650-201911402
  • Version 6.5-650-201912001
  • Version 6.5-650-201912002
  • Version 6.5-650-201912101
  • Version 6.5-650-201912102
  • Version 6.5-650-201912103
  • Version 6.5-650-201912104
  • Version 6.5-650-201912301
  • Version 6.5-650-201912401
  • Version 6.5-650-201912402
  • Version 6.5-650-201912403
  • Version 6.5-650-201912404
  • Version 6.5-650-202005001
  • Version 6.5-650-20191004001
  • Version 6.7
  • Version 6.7-670-201806001
  • Version 6.7-670-201807001
  • Version 6.7-670-201808001
  • Version 6.7-670-201810001
  • Version 6.7-670-201810101
  • Version 6.7-670-201810102
  • Version 6.7-670-201810103
  • Version 6.7-670-201810201
  • Version 6.7-670-201810202
  • Version 6.7-670-201810203
  • Version 6.7-670-201810204
  • Version 6.7-670-201810205
  • Version 6.7-670-201810206
  • Version 6.7-670-201810207
  • Version 6.7-670-201810208
  • Version 6.7-670-201810209
  • Version 6.7-670-201810210
  • Version 6.7-670-201810211
  • Version 6.7-670-201810212
  • Version 6.7-670-201810213
  • Version 6.7-670-201810214
  • Version 6.7-670-201810215
  • Version 6.7-670-201810216
  • Version 6.7-670-201810217
  • Version 6.7-670-201810218
  • Version 6.7-670-201810219
  • Version 6.7-670-201810220
  • Version 6.7-670-201810221
  • Version 6.7-670-201810222
  • Version 6.7-670-201810223
  • Version 6.7-670-201810224
  • Version 6.7-670-201810225
  • Version 6.7-670-201810226
  • Version 6.7-670-201810227
  • Version 6.7-670-201810228
  • Version 6.7-670-201810229
  • Version 6.7-670-201810230
  • Version 6.7-670-201810231
  • Version 6.7-670-201810232
  • Version 6.7-670-201810233
  • Version 6.7-670-201810234
  • Version 6.7-670-201811001
  • Version 6.7-670-201901001
  • Version 6.7-670-201901401
  • Version 6.7-670-201901402
  • Version 6.7-670-201901403
  • Version 6.7-670-201903001
  • Version 6.7-670-201904001
  • Version 6.7-670-201904201
  • Version 6.7-670-201904202
  • Version 6.7-670-201904203
  • Version 6.7-670-201904204
  • Version 6.7-670-201904205
  • Version 6.7-670-201904206
  • Version 6.7-670-201904207
  • Version 6.7-670-201904208
  • Version 6.7-670-201904209
  • Version 6.7-670-201904210
  • Version 6.7-670-201904211
  • Version 6.7-670-201904212
  • Version 6.7-670-201904213
  • Version 6.7-670-201904214
  • Version 6.7-670-201904215
  • Version 6.7-670-201904216
  • Version 6.7-670-201904217
  • Version 6.7-670-201904218
  • Version 6.7-670-201904219
  • Version 6.7-670-201904220
  • Version 6.7-670-201904221
  • Version 6.7-670-201904222
  • Version 6.7-670-201904223
  • Version 6.7-670-201904224
  • Version 6.7-670-201904225
  • Version 6.7-670-201904226
  • Version 6.7-670-201904227
  • Version 6.7-670-201904228
  • Version 6.7-670-201904229
  • Version 6.7-670-201905001
  • Version 6.7-670-201906002
  • Version 6.7-670-201908101
  • Version 6.7-670-201908102
  • Version 6.7-670-201908103
  • Version 6.7-670-201908104
  • Version 6.7-670-201908201
  • Version 6.7-670-201908202
  • Version 6.7-670-201908203
  • Version 6.7-670-201908204
  • Version 6.7-670-201908205
  • Version 6.7-670-201908206
  • Version 6.7-670-201908207
  • Version 6.7-670-201908208
  • Version 6.7-670-201908209
  • Version 6.7-670-201908210
  • Version 6.7-670-201908211
  • Version 6.7-670-201908212
  • Version 6.7-670-201908213
  • Version 6.7-670-201908214
  • Version 6.7-670-201908215
  • Version 6.7-670-201908216
  • Version 6.7-670-201908217
  • Version 6.7-670-201908218
  • Version 6.7-670-201908219
  • Version 6.7-670-201908220
  • Version 6.7-670-201908221
  • Version 6.7-670-201912001
  • Version 6.7-670-201912101
  • Version 6.7-670-201912102
  • Version 6.7-670-201912401
  • Version 6.7-670-201912402
  • Version 6.7-670-201912403
  • Version 6.7-670-201912404
  • Version 6.7-670-201912405
  • Version 6.7-670-202004001
  • Version 6.7-670-202004002
  • Version 7.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-3966
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-3966