CVE-2017-4949

Description

VMware Workstation and Fusion contain a use-after-free vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may allow a guest to execute code on the host. Note: IPv6 mode for VMNAT is not enabled by default.

Category

7.0
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory vmware.com
Affected: VMware Workstation Pro / Player
Affected: VMware Fusion
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2017-4949?
CVE-2017-4949 has been scored as a high severity vulnerability.
How to fix CVE-2017-4949?
To fix CVE-2017-4949, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-4949 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-4949 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-4949?
CVE-2017-4949 affects VMware Workstation Pro / Player, VMware Fusion.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.