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Medium 5.8Published Oct 20, 2020

CVE-2020-3981VMware 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 vulne…

Updated under an hour ago ()

Does this affect you?

It affects vmware cloud_foundation and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

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CVSS
5.8 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Weakness (CWE)
CWE-125, CWE-367
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 16, 2026
First seen by InfoSec Signals
Nov 1, 2026

Affected products

Affected products
vmware cloud_foundation
vmware:cloud_foundation
from 3.0 before 3.10.1; from 4.0 before 4.1
NVD
vmware workstation
vmware:workstation
from 15.0.0 through 15.5.6
NVD
vmware esxi
vmware:esxi
7.0.0; 7.0.0; 6.5; 6.5; 6.5; 6.5; 6.5; 6.5; and 193 more ranges
NVD
vmware fusion
vmware:fusion
from 11.0 before 11.5.6
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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