{"id":"CVE-2017-4949","aliases":["EUVD-2017-14066","GHSA-xp8m-46mm-88p5"],"status":"published","title":"VMware Workstation and Fusion contain a use-after-free vulnerability in VMware NAT service when...","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.","severity":{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0037,"percentile":0.31142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2018-01-11T14:00:00Z","modified":"2026-06-17T01:19:37Z","products":[{"vendor":"vmware","product":"fusion"},{"vendor":"vmware","product":"workstation"},{"vendor":"vmware","product":"workstation pro / player"}],"references":[{"url":"http://www.securitytracker.com/id/1040161","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/102489","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.vmware.com/security/advisories/VMSA-2018-0005.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-4949"},{"url":"https://github.com/advisories/GHSA-xp8m-46mm-88p5"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2018-01-11T14:00:00Z","modified":"2024-09-16T22:46:45.435Z","updated_at":"2026-11-02T14:33:18.85612Z"}],"euvd":[{"id":"EUVD-2017-14066","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.","status":"published","published":"2018-01-11T14:00:00Z","modified":"2024-09-16T22:46:45Z","updated_at":"2026-11-03T00:54:59.7394Z"}],"ghsa":[{"id":"GHSA-xp8m-46mm-88p5","title":"VMware Workstation and Fusion contain a use-after-free vulnerability in VMware NAT service when...","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.","status":"published","published":"2022-05-14T03:45:21Z","modified":"2023-02-03T05:00:31Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:52:48.49301Z"}],"nvd":[{"id":"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.","status":"published","published":"2018-01-11T14:29:00.213Z","modified":"2026-06-17T01:19:37.49Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:04:12.690425Z"}]}}