{"id":"CVE-2023-34048","aliases":["EUVD-2023-38166","GHSA-87j2-5g9j-7jmv"],"status":"published","title":"VMware vCenter Server Out-of-Bounds Write Vulnerability","description":"vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.99234,"percentile":0.99936,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-10-25T04:21:42Z","modified":"2026-06-17T06:02:47Z","kev":{"date_added":"2024-01-22","due_date":"2024-02-12","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2024-01-22"},{"source":"kev","since":"2024-01-22"}],"exploits":[{"source":"nuclei","id":"CVE-2023-34048","title":"VMware vCenter Server - 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