{
    "id": "CVE-2021-33032",
    "published": "2021-07-22 18:15:23",
    "last_modified": "2026-06-17 03:54:02",
    "cvss_score": "10.0",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-78",
    "description": "A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic CCU2 firmware up to and including version 2.57.5 and CCU3 firmware up to and including version 3.57.5 allows remote unauthenticated attackers to execute system commands as root via a simple HTTP request.",
    "epss_score": "0.52161",
    "epss_percentile": "0.98927",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-02 18:17:30",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 52.2% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "eq-3",
            "product": "homematic_ccu2"
        },
        {
            "vendor": "eq-3",
            "product": "homematic_ccu2_firmware"
        },
        {
            "vendor": "eq-3",
            "product": "homematic_ccu3"
        },
        {
            "vendor": "eq-3",
            "product": "homematic_ccu3_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/",
        "https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf",
        "https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf",
        "https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/",
        "https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf",
        "https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf"
    ]
}