CVE-2018-6981

high-risk

Published 2018-12-04

VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG, VMware ESXi 6.0 without ESXi600-201811401-BG, VMware Workstation 15, VMware Workstation 14.1.3 or below, VMware Fusion 11, VMware Fusion 10.1.3 or below contain uninitialized stack memory usage in the vmxnet3 virtual network adapter which may allow a guest to execute code on the host.

Do I need to act?

6.9% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

LOCAL / LOW complexity

Affected Products (20)

Workstation

Fusion

Esxi

Affected Vendors

Vmware

References (8)

Third Party Advisory http://www.securityfocus.com/bid/105881

Third Party Advisory http://www.securitytracker.com/id/1042054

Third Party Advisory http://www.securitytracker.com/id/1042055

Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2018-0027.html

Third Party Advisory http://www.securityfocus.com/bid/105881

Third Party Advisory http://www.securitytracker.com/id/1042054

Third Party Advisory http://www.securitytracker.com/id/1042055

Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2018-0027.html

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high-risk

Severity 27/34 · High

Exploitability 9/34 · Low

Exposure 33/34 · Critical