{
    "id": "CVE-2023-34048",
    "published": "2023-10-25 18:17:27",
    "last_modified": "2026-06-17 06:02:47",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-787",
    "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.",
    "epss_score": "0.99428",
    "epss_percentile": "0.99942",
    "kev": 1,
    "kev_due": "2024-02-12",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:32:55",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2024-02-12."
    },
    "products": [
        {
            "vendor": "vmware",
            "product": "vcenter_server"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2023-34048",
        "date_added": "2024-01-22",
        "due_date": "2024-02-12",
        "vendor": "VMware",
        "product": "vCenter Server",
        "name": "VMware vCenter Server Out-of-Bounds Write Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "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"
    ]
}