{
    "id": "CVE-2020-5759",
    "published": "2020-07-17 21:15:13",
    "last_modified": "2026-06-17 03:22:10",
    "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-78",
    "description": "Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. An authenticated remote attacker can execute commands as the root user by issuing a specially crafted \"unset\" command.",
    "epss_score": "0.03204",
    "epss_percentile": "0.87802",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:24",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "grandstream",
            "product": "ucm6202"
        },
        {
            "vendor": "grandstream",
            "product": "ucm6202_firmware"
        },
        {
            "vendor": "grandstream",
            "product": "ucm6204"
        },
        {
            "vendor": "grandstream",
            "product": "ucm6204_firmware"
        },
        {
            "vendor": "grandstream",
            "product": "ucm6208"
        },
        {
            "vendor": "grandstream",
            "product": "ucm6208_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://www.tenable.com/security/research/tra-2020-42",
        "https://www.tenable.com/cve/CVE-2020-5759",
        "https://www.tenable.com/security/research/tra-2020-42"
    ]
}