VULNERABILITY INTELLIGENCE

CVE-2020-3969

CVSS score7.8 HIGH

EPSS probability0.52%

CISA KEVNot currently listed

Published2020-06-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-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 off-by-one heap-overflow vulnerability in the SVGA device. A malicious actor with local access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible.

Weakness classification

CWE-193: Off-by-one Error

Primary references

security@vmware.com — Vendor Advisory
security@vmware.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory