CVE-2020-3981

MediumCVSS 5.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.8/10CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-125 CWE-367

Affected software

Vendor	Product	Versions
n/a	VMware ESXi, Workstation, Fusion	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)

References

https://www.vmware.com/security/advisories/VMSA-2020-0023.htmlPatch, Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0023.htmlPatch, Vendor Advisory

Timeline

Published: Oct 20, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-39827.7VMware 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), Fusi CVE-2020-39846.5The SD-WAN Orchestrator 3.3.2 prior to 3.3.2 P3 and 3.4.x prior to 3.4.4 does not apply correct input validation which allows for SQL-inject CVE-2020-39858.8The SD-WAN Orchestrator 3.3.2 prior to 3.3.2 P3 and 3.4.x prior to 3.4.4 allows an access to set arbitrary authorization levels leading to a CVE-2020-39866.1VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrint CVE-2020-39876.1VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrint CVE-2020-39886.1VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrint CVE-2020-39893.3VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain a denial of service vulnerability due to an out-of-bound CVE-2020-39906.5VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an information disclosure vulnerability due to an intege CVE-2020-39917.1VMware Horizon Client for Windows (5.x before 5.5.0) contains a denial-of-service vulnerability due to a file system access control issue du CVE-2020-39929.8OpenSLP as used in VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG) has a CVE-2020-39935.9VMware NSX-T (3.x before 3.0.2, 2.5.x before 2.5.2.2.0) contains a security vulnerability that exists in the way it allows a KVM host to dow CVE-2020-39947.4VMware vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k) contains a session hijack vulnerability in the vCenter Server Appliance Manageme