high
7.8
Advisory Published
Updated

CVE-2020-4005

First published: Fri Nov 20 2020(Updated: )

VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG) contains a privilege-escalation vulnerability that exists in the way certain system calls are being managed. A malicious actor with privileges within the VMX process only, may escalate their privileges on the affected system. Successful exploitation of this issue is only possible when chained with another vulnerability (e.g. CVE-2020-4004)

Credit: security@vmware.com

Affected SoftwareAffected VersionHow to fix
VMware Cloud Foundation>=3.0<3.10.1.2
VMware Cloud Foundation>=4.0<4.1.0.1
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=6.5-650-202006001
VMware ESXi=6.5-650-202007001
VMware ESXi=6.5-650-202010001
VMware ESXi=6.5-650-202011001
VMware ESXi=6.5-650-202011002
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=6.7-670-201904201-ug
VMware ESXi=6.7-670-201904202
VMware ESXi=6.7-670-201904202-ug
VMware ESXi=6.7-670-201904203
VMware ESXi=6.7-670-201904203-ug
VMware ESXi=6.7-670-201904204
VMware ESXi=6.7-670-201904204-ug
VMware ESXi=6.7-670-201904205
VMware ESXi=6.7-670-201904205-ug
VMware ESXi=6.7-670-201904206
VMware ESXi=6.7-670-201904206-ug
VMware ESXi=6.7-670-201904207
VMware ESXi=6.7-670-201904207-ug
VMware ESXi=6.7-670-201904208
VMware ESXi=6.7-670-201904208-ug
VMware ESXi=6.7-670-201904209
VMware ESXi=6.7-670-201904209-ug
VMware ESXi=6.7-670-201904210
VMware ESXi=6.7-670-201904210-ug
VMware ESXi=6.7-670-201904211
VMware ESXi=6.7-670-201904211-ug
VMware ESXi=6.7-670-201904212
VMware ESXi=6.7-670-201904212-ug
VMware ESXi=6.7-670-201904213
VMware ESXi=6.7-670-201904213-ug
VMware ESXi=6.7-670-201904214
VMware ESXi=6.7-670-201904214-ug
VMware ESXi=6.7-670-201904215
VMware ESXi=6.7-670-201904215-ug
VMware ESXi=6.7-670-201904216
VMware ESXi=6.7-670-201904216-ug
VMware ESXi=6.7-670-201904217
VMware ESXi=6.7-670-201904217-ug
VMware ESXi=6.7-670-201904218
VMware ESXi=6.7-670-201904218-ug
VMware ESXi=6.7-670-201904219
VMware ESXi=6.7-670-201904219-ug
VMware ESXi=6.7-670-201904220
VMware ESXi=6.7-670-201904220-ug
VMware ESXi=6.7-670-201904221
VMware ESXi=6.7-670-201904221-ug
VMware ESXi=6.7-670-201904222
VMware ESXi=6.7-670-201904222-ug
VMware ESXi=6.7-670-201904223
VMware ESXi=6.7-670-201904223-ug
VMware ESXi=6.7-670-201904224
VMware ESXi=6.7-670-201904224-ug
VMware ESXi=6.7-670-201904225
VMware ESXi=6.7-670-201904225-ug
VMware ESXi=6.7-670-201904226
VMware ESXi=6.7-670-201905001
VMware ESXi=6.7-670-201906002
VMware ESXi=6.7-670-201911001
VMware ESXi=6.7-670-201912001
VMware ESXi=6.7-670-202004001
VMware ESXi=6.7-670-202004002
VMware ESXi=6.7-670-202006001
VMware ESXi=6.7-670-202008001
VMware ESXi=6.7-670-202010001
VMware ESXi=7.0
VMware ESXi=7.0-beta
VMware ESXi=7.0-update_1
VMware ESXi=7.0-update_1a
VMware ESXi=7.0-update_1b

Remedy

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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-4005?

    CVE-2020-4005 is rated as critical due to its privilege escalation capabilities.

  • How do I fix CVE-2020-4005?

    To fix CVE-2020-4005, upgrade VMware ESXi to the latest patched version that addresses the vulnerability.

  • Which versions are affected by CVE-2020-4005?

    CVE-2020-4005 affects VMware ESXi versions 6.5 prior to 6.5-202011301-SG, 6.7 prior to 6.7-202011101-SG, and 7.0 prior to 7.0U1b-17168206.

  • Who can exploit CVE-2020-4005?

    Only malicious actors with privileges within the VMX process can exploit CVE-2020-4005.

  • What systems are impacted by CVE-2020-4005?

    CVE-2020-4005 impacts systems running affected versions of VMware ESXi and VMware Cloud Foundation.

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