{
    "id": "CVE-2021-27903",
    "published": "2021-06-30 12:15:07",
    "last_modified": "2026-06-17 03:45:34",
    "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-862",
    "description": "An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker were somehow able to hijack an administrator's session).",
    "epss_score": "0.02819",
    "epss_percentile": "0.86196",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-12 18:17:26",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "craftcms",
            "product": "craft_cms"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23",
        "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security",
        "https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38",
        "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23",
        "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security",
        "https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38"
    ]
}