CVE-2017-4949
UnknownEPSS 0.37%
Last modified
CVE-2017-4949 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Fusion | >= 8.0, < 8.5.10 |
| Vmware | Fusion | >= 10.0, < 10.1.1 |
| Vmware | Workstation | >= 12.0, < 12.5.9 |
| Vmware | Workstation | >= 14.0, < 14.1.1 |
References
- http://www.securityfocus.com/bid/102489Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040161Third Party Advisory, VDB Entry
- https://www.vmware.com/security/advisories/VMSA-2018-0005.htmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/102489Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040161Third Party Advisory, VDB Entry
- https://www.vmware.com/security/advisories/VMSA-2018-0005.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-4949?
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.
How severe is CVE-2017-4949?
Severity scoring for CVE-2017-4949 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2017-4949?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2017-4949?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST