{
    "id": "CVE-2021-22017",
    "published": "2021-09-23 13:15:08",
    "last_modified": "2026-06-17 03:36:33",
    "cvss_score": "5.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "cwe": null,
    "description": "Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.",
    "epss_score": "0.49177",
    "epss_percentile": "0.98848",
    "kev": 1,
    "kev_due": "2022-01-24",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:28:08",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-01-24."
    },
    "products": [
        {
            "vendor": "vmware",
            "product": "vcenter_server"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-22017",
        "date_added": "2022-01-10",
        "due_date": "2022-01-24",
        "vendor": "VMware",
        "product": "vCenter Server",
        "name": "VMware vCenter Server Improper Access Control",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://www.vmware.com/security/advisories/VMSA-2021-0020.html",
        "https://www.vmware.com/security/advisories/VMSA-2021-0020.html",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017"
    ]
}