What’s Vulnerable › Vulnerabilities

CVE-2017-4950

• Severity: high (CVSS 7.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-11 · updated 2026-06-17
• Weakness: CWE-190

Description

VMware Workstation and Fusion contain an integer overflow vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may lead to an out-of-bound read which can then be used to execute code on the host in conjunction with other issues. Note: IPv6 mode for VMNAT is not enabled by default.

Affected products

• VMware Fusion: from 8.0 before 8.5.10; from 10.0 before 10.1.1 — fixed in 10.1.1, 8.5.10
• VMware Workstation: from 12.0 before 12.5.9; from 14.0 before 14.1.1 — fixed in 12.5.9, 14.1.1

How to fix

Upgrade to a fixed version: VMware Fusion 10.1.1, 8.5.10; VMware Workstation 12.5.9, 14.1.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/102490
• http://www.securitytracker.com/id/1040161
• https://www.vmware.com/security/advisories/VMSA-2018-0005.html
• http://www.securityfocus.com/bid/102490
• http://www.securitytracker.com/id/1040161
• https://www.vmware.com/security/advisories/VMSA-2018-0005.html

Get alerted when CVE-2017-4950 or the next vulnerability affects your stack