CVEvulnerability

CVE-2020-3981

5.8 MEDIUM Published 2020-10-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-10-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0 ([email protected])
3.5 LOW — AV:N/AC:M/Au:S/C:P/I:N/A:N
Weaknesses
CWE-125, CWE-367

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.

Affected configurations

• vmware cloud foundation (>= 3.0 < 3.10.1) • vmware cloud foundation (>= 4.0 < 4.1) • vmware workstation (>= 15.0.0 <= 15.5.6) • vmware esxi 7.0.0 • vmware fusion (>= 11.0 < 11.5.6) • vmware esxi 6.5 • vmware esxi 6.7

Related

Weakness · CWE (2)

  • CWE-125 Out-of-bounds Read weakness
  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness

References