medium
5.8
CWE
125 367
Advisory Published
Updated

CVE-2020-3981

First published: Tue Oct 20 2020(Updated: )

VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-of-bounds read vulnerability due to a time-of-check time-of-use issue in ACPI device. A malicious actor with administrative access to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

Credit: security@vmware.com

Affected SoftwareAffected VersionHow to fix
VMware vCenter Server and Cloud Foundation>=3.0<3.10.1
VMware vCenter Server and Cloud Foundation>=4.0<4.1
VMware Workstation and ESXi>=15.0.0<=15.5.6
VMware ESXi and Horizon DaaS=7.0.0
VMware ESXi and Horizon DaaS=7.0.0-1.20.16321839
VMware Fusion>=11.0<11.5.6
Apple iOS and macOS
VMware ESXi and Horizon DaaS=6.5
VMware ESXi and Horizon DaaS=6.5-2
VMware ESXi and Horizon DaaS=6.5-650-201701001
VMware ESXi and Horizon DaaS=6.5-650-201703001
VMware ESXi and Horizon DaaS=6.5-650-201703002
VMware ESXi and Horizon DaaS=6.5-650-201704001
VMware ESXi and Horizon DaaS=6.5-650-201707101
VMware ESXi and Horizon DaaS=6.5-650-201707102
VMware ESXi and Horizon DaaS=6.5-650-201707103
VMware ESXi and Horizon DaaS=6.5-650-201707201
VMware ESXi and Horizon DaaS=6.5-650-201707202
VMware ESXi and Horizon DaaS=6.5-650-201707203
VMware ESXi and Horizon DaaS=6.5-650-201707204
VMware ESXi and Horizon DaaS=6.5-650-201707205
VMware ESXi and Horizon DaaS=6.5-650-201707206
VMware ESXi and Horizon DaaS=6.5-650-201707207
VMware ESXi and Horizon DaaS=6.5-650-201707208
VMware ESXi and Horizon DaaS=6.5-650-201707209
VMware ESXi and Horizon DaaS=6.5-650-201707210
VMware ESXi and Horizon DaaS=6.5-650-201707211
VMware ESXi and Horizon DaaS=6.5-650-201707212
VMware ESXi and Horizon DaaS=6.5-650-201707213
VMware ESXi and Horizon DaaS=6.5-650-201707214
VMware ESXi and Horizon DaaS=6.5-650-201707215
VMware ESXi and Horizon DaaS=6.5-650-201707216
VMware ESXi and Horizon DaaS=6.5-650-201707217
VMware ESXi and Horizon DaaS=6.5-650-201707218
VMware ESXi and Horizon DaaS=6.5-650-201707219
VMware ESXi and Horizon DaaS=6.5-650-201707220
VMware ESXi and Horizon DaaS=6.5-650-201707221
VMware ESXi and Horizon DaaS=6.5-650-201710001
VMware ESXi and Horizon DaaS=6.5-650-201712001
VMware ESXi and Horizon DaaS=6.5-650-201803001
VMware ESXi and Horizon DaaS=6.5-650-201806001
VMware ESXi and Horizon DaaS=6.5-650-201808001
VMware ESXi and Horizon DaaS=6.5-650-201810001
VMware ESXi and Horizon DaaS=6.5-650-201810002
VMware ESXi and Horizon DaaS=6.5-650-201811001
VMware ESXi and Horizon DaaS=6.5-650-201811002
VMware ESXi and Horizon DaaS=6.5-650-201811301
VMware ESXi and Horizon DaaS=6.5-650-201901001
VMware ESXi and Horizon DaaS=6.5-650-201903001
VMware ESXi and Horizon DaaS=6.5-650-201905001
VMware ESXi and Horizon DaaS=6.5-650-201908001
VMware ESXi and Horizon DaaS=6.5-650-201910001
VMware ESXi and Horizon DaaS=6.5-650-20191004001
VMware ESXi and Horizon DaaS=6.5-650-201911001
VMware ESXi and Horizon DaaS=6.5-650-201911401
VMware ESXi and Horizon DaaS=6.5-650-201911402
VMware ESXi and Horizon DaaS=6.5-650-201912001
VMware ESXi and Horizon DaaS=6.5-650-201912002
VMware ESXi and Horizon DaaS=6.5-650-201912101
VMware ESXi and Horizon DaaS=6.5-650-201912102
VMware ESXi and Horizon DaaS=6.5-650-201912103
VMware ESXi and Horizon DaaS=6.5-650-201912104
VMware ESXi and Horizon DaaS=6.5-650-201912301
VMware ESXi and Horizon DaaS=6.5-650-201912401
VMware ESXi and Horizon DaaS=6.5-650-201912402
VMware ESXi and Horizon DaaS=6.5-650-201912403
VMware ESXi and Horizon DaaS=6.5-650-201912404
VMware ESXi and Horizon DaaS=6.5-650-202005001
VMware ESXi and Horizon DaaS=6.5-650-202006001
VMware ESXi and Horizon DaaS=6.5-650-202007001
VMware ESXi and Horizon DaaS=6.7
VMware ESXi and Horizon DaaS=6.7-670-201806001
VMware ESXi and Horizon DaaS=6.7-670-201807001
VMware ESXi and Horizon DaaS=6.7-670-201808001
VMware ESXi and Horizon DaaS=6.7-670-201810001
VMware ESXi and Horizon DaaS=6.7-670-201810101
VMware ESXi and Horizon DaaS=6.7-670-201810102
VMware ESXi and Horizon DaaS=6.7-670-201810103
VMware ESXi and Horizon DaaS=6.7-670-201810201
VMware ESXi and Horizon DaaS=6.7-670-201810202
VMware ESXi and Horizon DaaS=6.7-670-201810203
VMware ESXi and Horizon DaaS=6.7-670-201810204
VMware ESXi and Horizon DaaS=6.7-670-201810205
VMware ESXi and Horizon DaaS=6.7-670-201810206
VMware ESXi and Horizon DaaS=6.7-670-201810207
VMware ESXi and Horizon DaaS=6.7-670-201810208
VMware ESXi and Horizon DaaS=6.7-670-201810209
VMware ESXi and Horizon DaaS=6.7-670-201810210
VMware ESXi and Horizon DaaS=6.7-670-201810211
VMware ESXi and Horizon DaaS=6.7-670-201810212
VMware ESXi and Horizon DaaS=6.7-670-201810213
VMware ESXi and Horizon DaaS=6.7-670-201810214
VMware ESXi and Horizon DaaS=6.7-670-201810215
VMware ESXi and Horizon DaaS=6.7-670-201810216
VMware ESXi and Horizon DaaS=6.7-670-201810217
VMware ESXi and Horizon DaaS=6.7-670-201810218
VMware ESXi and Horizon DaaS=6.7-670-201810219
VMware ESXi and Horizon DaaS=6.7-670-201810220
VMware ESXi and Horizon DaaS=6.7-670-201810221
VMware ESXi and Horizon DaaS=6.7-670-201810222
VMware ESXi and Horizon DaaS=6.7-670-201810223
VMware ESXi and Horizon DaaS=6.7-670-201810224
VMware ESXi and Horizon DaaS=6.7-670-201810225
VMware ESXi and Horizon DaaS=6.7-670-201810226
VMware ESXi and Horizon DaaS=6.7-670-201810227
VMware ESXi and Horizon DaaS=6.7-670-201810228
VMware ESXi and Horizon DaaS=6.7-670-201810229
VMware ESXi and Horizon DaaS=6.7-670-201810230
VMware ESXi and Horizon DaaS=6.7-670-201810231
VMware ESXi and Horizon DaaS=6.7-670-201810232
VMware ESXi and Horizon DaaS=6.7-670-201810233
VMware ESXi and Horizon DaaS=6.7-670-201810234
VMware ESXi and Horizon DaaS=6.7-670-201811001
VMware ESXi and Horizon DaaS=6.7-670-201901001
VMware ESXi and Horizon DaaS=6.7-670-201901401
VMware ESXi and Horizon DaaS=6.7-670-201901402
VMware ESXi and Horizon DaaS=6.7-670-201901403
VMware ESXi and Horizon DaaS=6.7-670-201903001
VMware ESXi and Horizon DaaS=6.7-670-201904001
VMware ESXi and Horizon DaaS=6.7-670-201904201
VMware ESXi and Horizon DaaS=6.7-670-201904201-ug
VMware ESXi and Horizon DaaS=6.7-670-201904202
VMware ESXi and Horizon DaaS=6.7-670-201904202-ug
VMware ESXi and Horizon DaaS=6.7-670-201904203
VMware ESXi and Horizon DaaS=6.7-670-201904203-ug
VMware ESXi and Horizon DaaS=6.7-670-201904204
VMware ESXi and Horizon DaaS=6.7-670-201904204-ug
VMware ESXi and Horizon DaaS=6.7-670-201904205
VMware ESXi and Horizon DaaS=6.7-670-201904205-ug
VMware ESXi and Horizon DaaS=6.7-670-201904206
VMware ESXi and Horizon DaaS=6.7-670-201904206-ug
VMware ESXi and Horizon DaaS=6.7-670-201904207
VMware ESXi and Horizon DaaS=6.7-670-201904207-ug
VMware ESXi and Horizon DaaS=6.7-670-201904208
VMware ESXi and Horizon DaaS=6.7-670-201904208-ug
VMware ESXi and Horizon DaaS=6.7-670-201904209
VMware ESXi and Horizon DaaS=6.7-670-201904209-ug
VMware ESXi and Horizon DaaS=6.7-670-201904210
VMware ESXi and Horizon DaaS=6.7-670-201904210-ug
VMware ESXi and Horizon DaaS=6.7-670-201904211
VMware ESXi and Horizon DaaS=6.7-670-201904211-ug
VMware ESXi and Horizon DaaS=6.7-670-201904212
VMware ESXi and Horizon DaaS=6.7-670-201904212-ug
VMware ESXi and Horizon DaaS=6.7-670-201904213
VMware ESXi and Horizon DaaS=6.7-670-201904213-ug
VMware ESXi and Horizon DaaS=6.7-670-201904214
VMware ESXi and Horizon DaaS=6.7-670-201904214-ug
VMware ESXi and Horizon DaaS=6.7-670-201904215
VMware ESXi and Horizon DaaS=6.7-670-201904215-ug
VMware ESXi and Horizon DaaS=6.7-670-201904216
VMware ESXi and Horizon DaaS=6.7-670-201904216-ug
VMware ESXi and Horizon DaaS=6.7-670-201904217
VMware ESXi and Horizon DaaS=6.7-670-201904217-ug
VMware ESXi and Horizon DaaS=6.7-670-201904218
VMware ESXi and Horizon DaaS=6.7-670-201904218-ug
VMware ESXi and Horizon DaaS=6.7-670-201904219
VMware ESXi and Horizon DaaS=6.7-670-201904219-ug
VMware ESXi and Horizon DaaS=6.7-670-201904220
VMware ESXi and Horizon DaaS=6.7-670-201904220-ug
VMware ESXi and Horizon DaaS=6.7-670-201904221
VMware ESXi and Horizon DaaS=6.7-670-201904221-ug
VMware ESXi and Horizon DaaS=6.7-670-201904222
VMware ESXi and Horizon DaaS=6.7-670-201904222-ug
VMware ESXi and Horizon DaaS=6.7-670-201904223
VMware ESXi and Horizon DaaS=6.7-670-201904223-ug
VMware ESXi and Horizon DaaS=6.7-670-201904224
VMware ESXi and Horizon DaaS=6.7-670-201904224-ug
VMware ESXi and Horizon DaaS=6.7-670-201904225
VMware ESXi and Horizon DaaS=6.7-670-201904225-ug
VMware ESXi and Horizon DaaS=6.7-670-201904226
VMware ESXi and Horizon DaaS=6.7-670-201904226-ug
VMware ESXi and Horizon DaaS=6.7-670-201904227
VMware ESXi and Horizon DaaS=6.7-670-201904227-ug
VMware ESXi and Horizon DaaS=6.7-670-201904228
VMware ESXi and Horizon DaaS=6.7-670-201904228-ug
VMware ESXi and Horizon DaaS=6.7-670-201904229
VMware ESXi and Horizon DaaS=6.7-670-201904229-ug
VMware ESXi and Horizon DaaS=6.7-670-201905001
VMware ESXi and Horizon DaaS=6.7-670-201906002
VMware ESXi and Horizon DaaS=6.7-670-201908101
VMware ESXi and Horizon DaaS=6.7-670-201908102
VMware ESXi and Horizon DaaS=6.7-670-201908103
VMware ESXi and Horizon DaaS=6.7-670-201908104
VMware ESXi and Horizon DaaS=6.7-670-201908201
VMware ESXi and Horizon DaaS=6.7-670-201908202
VMware ESXi and Horizon DaaS=6.7-670-201908203
VMware ESXi and Horizon DaaS=6.7-670-201908204
VMware ESXi and Horizon DaaS=6.7-670-201908205
VMware ESXi and Horizon DaaS=6.7-670-201908206
VMware ESXi and Horizon DaaS=6.7-670-201908207
VMware ESXi and Horizon DaaS=6.7-670-201908208
VMware ESXi and Horizon DaaS=6.7-670-201908209
VMware ESXi and Horizon DaaS=6.7-670-201908210
VMware ESXi and Horizon DaaS=6.7-670-201908211
VMware ESXi and Horizon DaaS=6.7-670-201908212
VMware ESXi and Horizon DaaS=6.7-670-201908213
VMware ESXi and Horizon DaaS=6.7-670-201908214
VMware ESXi and Horizon DaaS=6.7-670-201908215
VMware ESXi and Horizon DaaS=6.7-670-201908216
VMware ESXi and Horizon DaaS=6.7-670-201908217
VMware ESXi and Horizon DaaS=6.7-670-201908218
VMware ESXi and Horizon DaaS=6.7-670-201908219
VMware ESXi and Horizon DaaS=6.7-670-201908220
VMware ESXi and Horizon DaaS=6.7-670-201908221
VMware ESXi and Horizon DaaS=6.7-670-201912001
VMware ESXi and Horizon DaaS=6.7-670-201912101
VMware ESXi and Horizon DaaS=6.7-670-201912102
VMware ESXi and Horizon DaaS=6.7-670-201912401
VMware ESXi and Horizon DaaS=6.7-670-201912402
VMware ESXi and Horizon DaaS=6.7-670-201912403
VMware ESXi and Horizon DaaS=6.7-670-201912404
VMware ESXi and Horizon DaaS=6.7-670-201912405
VMware ESXi and Horizon DaaS=6.7-670-202004001
VMware ESXi and Horizon DaaS=6.7-670-202004002
VMware ESXi and Horizon DaaS=6.7-670-202004301
VMware ESXi and Horizon DaaS=6.7-670-202004401
VMware ESXi and Horizon DaaS=6.7-670-202004402
VMware ESXi and Horizon DaaS=6.7-670-202004403
VMware ESXi and Horizon DaaS=6.7-670-202004404
VMware ESXi and Horizon DaaS=6.7-670-202004405
VMware ESXi and Horizon DaaS=6.7-670-202004406
VMware ESXi and Horizon DaaS=6.7-670-202004407
VMware ESXi and Horizon DaaS=6.7-670-202004408
VMware ESXi and Horizon DaaS=6.7-670-202006001
VMware ESXi and Horizon DaaS=6.7-670-202008001

Remedy

https://www.vmware.com/security/advisories/VMSA-2020-0023.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-3981?

    CVE-2020-3981 has been rated as critical due to its potential impact on system integrity and confidentiality.

  • Which software versions are affected by CVE-2020-3981?

    Affected versions include VMware ESXi versions 6.5, 6.7, and 7.0 prior to specific updates, as well as VMware Workstation 15.x and Fusion 11.x.

  • How do I fix CVE-2020-3981?

    To fix CVE-2020-3981, upgrade to the patched versions of the affected software as recommended in the VMware security advisory.

  • Can CVE-2020-3981 be exploited remotely?

    Yes, CVE-2020-3981 can potentially be exploited remotely by a malicious actor with administrative privileges.

  • What types of vulnerabilities does CVE-2020-3981 represent?

    CVE-2020-3981 represents an out-of-bounds read vulnerability stemming from a time-of-check time-of-use issue.

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