{"cve":"CVE-2023-34048","nvd":{"published":"2023-10-25T18:17:27.897","modified":"2026-06-17T06:02:47.860","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["https://www.vmware.com/security/advisories/VMSA-2023-0023.html","https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server","https://www.vmware.com/security/advisories/VMSA-2023-0023.html","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048"],"products":["vmware:vcenter_server"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-34048","score":0.99234,"percentile":0.99937,"date":"2026-10-31"},"kev":{"cve":"CVE-2023-34048","date_added":"2024-01-22","due_date":"2024-02-12","vendor":"VMware","product":"vCenter Server","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}