CVE-2020-4005
highpriority · track · 31EPSS 0.004 · 33 %ileEURUUSEPSS · scored 2026-10-27
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)
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://media.cert.europa.eu/static/SecurityAdvisories/2020/CERT-EU-SA2020-057.pdfcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-4005cnnvd
- https://vigilance.fr/vulnerability/VMware-ESXi-Workstation-two-vulnerabilities-33945cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4160/cnnvd
- https://www.vmware.com/security/advisories/VMSA-2020-0026.htmlcnnvd
- https://www.vmware.com/security/advisories/VMSA-2020-0026.htmlenisa_euvd
- https://www.vmware.com/security/advisories/VMSA-2020-0026.htmlPatchVendor Advisorynvd
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