{"id":"CVE-2023-20892","aliases":["EUVD-2023-25063","GHSA-vmcx-3r5m-96cr"],"status":"published","title":"VMware vCenter Server heap-overflow vulnerability","description":"The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01849,"percentile":0.79252,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-06-22T11:47:19Z","modified":"2026-06-17T05:31:07Z","products":[{"vendor":"vmware","product":"vcenter_server"},{"vendor":"vmware","product":"vmware cloud foundation (vcenter server)"},{"vendor":"vmware","product":"vmware vcenter server (vcenter server)"}],"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2023-0014.html","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1801","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20892"},{"url":"https://github.com/advisories/GHSA-vmcx-3r5m-96cr"}],"sources":{"cve":[{"id":"CVE-2023-20892","title":"VMware vCenter Server heap-overflow vulnerability","description":"The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.","status":"published","published":"2023-06-22T11:47:19.39Z","modified":"2025-02-13T16:39:51.341Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-25063","description":"The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.","status":"published","published":"2023-06-22T11:47:19Z","modified":"2025-02-13T16:39:51Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:51.861062Z"}],"ghsa":[{"id":"GHSA-vmcx-3r5m-96cr","title":"The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized...","description":"The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.","status":"published","published":"2023-06-22T12:30:14Z","modified":"2024-04-04T05:00:09Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:28.924331Z"}],"nvd":[{"id":"CVE-2023-20892","description":"The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.","status":"published","published":"2023-06-22T12:15:09.87Z","modified":"2026-06-17T05:31:07.833Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:12.414559Z"}]}}