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CVE-2020-3960

HIGH
8.4
CVSS Score
Published: September 15, 2021 at 12:14 PM UTC
Updated: June 17, 2026 at 03:19 AM UTC
4 products affected across 1 vendorWorkstationFusionVsphere Esxi

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Severity
HIGH8.4
Exploit prediction
EPSS 0.3%

Description

VMware ESXi (6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain an out-of-bounds read vulnerability in NVMe functionality. A malicious actor with local non-administrative access to a virtual machine with a virtual NVMe controller present may be able to read privileged information contained in physical memory.

Affected

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

Fusion· VMware
95%
v < 15.5.511.0.0 ≤ v < 11.5.5
Affected range stops below 11.5.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.5.5, so it looks safe — our inference, not a vendor statement
Vsphere Esxi· VMware
95%
6.56.5 650-2017010016.5 650-2017030016.5 650-2017030026.5 650-2017040016.5 650-2017100016.5 650-2017120016.5 650-2018030016.5 650-2018060016.5 650-2018080016.5 650-2018100016.5 650-2018100026.5 650-2018110016.5 650-2019010016.5 650-2019030016.5 650-2019050016.5 650-2019080016.5 650-2019100016.76.7 670-2019110016.7 670-202004001
Workstation· VMware
95%
v < 15.5.515.0.0 ≤ v < 15.5.5
Affected range stops below 15.5.5, so it looks safe — our inference, not a vendor statement
ESXi· VMware
60%
v < 15.5.5
Affected range stops below 15.5.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2020-0012.html

CVSS

8.4HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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