{"id":"CVE-2020-3971","aliases":["EUVD-2020-25236","GHSA-5vvr-23q8-x3qg"],"status":"published","title":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation ...","description":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00348,"percentile":0.28554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-06-25T14:55:33Z","modified":"2026-06-17T03:19:21Z","products":[{"vendor":"vmware","product":"cloud_foundation"},{"vendor":"vmware","product":"esxi"},{"vendor":"vmware","product":"fusion"},{"vendor":"vmware","product":"vmware esxi"},{"vendor":"vmware","product":"workstation"}],"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2020-0015.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3971"},{"url":"https://github.com/advisories/GHSA-5vvr-23q8-x3qg"}],"sources":{"cve":[{"id":"CVE-2020-3971","description":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.","status":"published","published":"2020-06-25T14:55:33Z","modified":"2024-08-04T07:52:20.541Z","updated_at":"2026-11-02T14:35:51.923913Z"}],"euvd":[{"id":"EUVD-2020-25236","description":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.","status":"published","published":"2020-06-25T14:55:33Z","modified":"2024-08-04T07:52:20Z","updated_at":"2026-11-03T03:08:08.458165Z"}],"ghsa":[{"id":"GHSA-5vvr-23q8-x3qg","title":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation ...","description":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.","status":"published","published":"2022-05-24T17:21:41Z","modified":"2023-01-29T05:03:11Z","updated_at":"2026-11-02T14:45:16.184529Z"}],"nvd":[{"id":"CVE-2020-3971","description":"VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.","status":"published","published":"2020-06-25T15:15:11.507Z","modified":"2026-06-17T03:19:21.607Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:08.145904Z"}]}}