CVE-2020-4005

HIGH

VMware ESXi <7.0U1b-17168206, <6.7-202011101-SG, <6.5-202011301-SG ...

Title source: llm
STIX 2.1

Description

VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG) contains a privilege-escalation vulnerability that exists in the way certain system calls are being managed. A malicious actor with privileges within the VMX process only, may escalate their privileges on the affected system. Successful exploitation of this issue is only possible when chained with another vulnerability (e.g. CVE-2020-4004)

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.vmware.com/security/advisories/VMSA-2020-0026.html

Scores

CVSS v3 7.8
EPSS 0.0021
EPSS Percentile 43.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (2)
vmware/cloud_foundation 3.0 - 3.10.1.2
vmware/esxi 6.5 (49 CPE variants)
Published Nov 20, 2020
Tracked Since Feb 18, 2026