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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…
High7.0EPSS 0.37%
- Published
- Updated
- Reserved
- Assigned by
- vmware
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
- Use-after-free vulnerability
- CWE-416 (opens in a new tab)
Affected products
VMware · Workstation Pro / Player
- affected 14.x before 14.1.1
- affected 12.x before 12.5.9
VMware · Fusion
- affected 10.x before 10.1.1
- affected 8.x before 8.5.10
References (3)
- 1040161 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 102489 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.vmware.com/security/advisories/VMSA-2018-0005.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .